solution_exercices_Patrick_Lanceleur_chapitre_1

唐山2024年08版小学5年级下册英语第六单元期末试卷(含答案)考试时间：100分钟（总分:140）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、听力题：A __________ is a narrow valley.2、What do we call a person who creates art?A. ArtistB. SculptorC. PainterD. Illustrator答案:A3、What do we call the act of sharing a story?A. NarratingB. TellingC. RelatingD. Communicating答案:A4、填空题：A _____ (植物发展) can lead to sustainable practices.5、What do you call a plant that grows in water?A. CactusB. FernC. Aquatic plantD. Tree答案:C6、听力题：The symbol for carbon on the periodic table is __________.7、What do you call a person who studies plants?A. BotanistB. ZoologistC. GeologistD. Chemist8、听力题：The chemical formula for rust is _______.9、填空题：In summer, I enjoy going to the ______ (海滩) to build ______ (沙堡) and swim in the ______ (海水).10、听力题：The ______ is very friendly and loves children.11、填空题：_____ (vines) can cover fences and walls.12、填空题：I found a ________ (神秘的盒子) hidden in my attic. I wonder what’s inside!13、What is the value of 7 × 2 3?A. 11B. 12C. 13D. 14答案:A14、What is the capital of France?A. LondonB. ParisC. RomeD. Berlin15、What do we call the place where we go to borrow books?A. LibraryB. SchoolC. ParkD. Museum16、听力填空题：I love exploring new places, especially __________.17、填空题：The _____ (幼苗) needs sunlight to grow strong.Mom calls me her little _______ when I help her cook.19、填空题：I saw a _______ (小猴子) swinging in the trees.20、填空题：I call my friend’s mom __________. (阿姨)21、填空题：My grandmother is my favorite _______ because she tells stories.22、选择题：What is the opposite of big?A. LargeB. SmallC. TallD. Wide23、听力题：I want to ________ my toys.24、听力题：I see a _____ frog by the pond. (small)25、听力题：The concept of __________ explains how different rock types are related.26、填空题：I have a toy ________ that glows in the dark.27、听力题：A ____ is often seen running through fields.28、填空题：My _____ (乐高玩具) is colorful.29、What do you call a place where you can borrow books?A. SchoolB. LibraryC. StoreD. Park30、听力题：A chemical bond that involves the transfer of electrons is called an _____ bond.I found a ________ in my pocket.32、听力题：The bear catches fish with its _____ sharp claws.33、听力题：The chemical formula for methane is ________.34、填空题：I can connect with others through my ________ (玩具).35、填空题：My mom is a great __________ (社交活动家).36、听力题：The ice cream is __________.37、填空题：My dad is a role model for being __________ (诚实的).38、听力题：The girl loves to ________.39、What do you call a baby cow?A. CalfB. KidC. LambD. Foal答案：A40、听力题：We have lunch at ___. (school)41、What do you call a place where books are kept?A. LibraryB. MuseumC. TheaterD. Gym答案: A42、听力题：The ______ teaches us about different cultures.43、小鱼) swirls around the tank. 填空题：The ___What is the name of the famous ship that sank in 1912?A. Queen MaryB. TitanicC. LusitaniaD. Andrea Doria45、What do we call a shape with three sides?A. TriangleB. SquareC. PentagonD. Hexagon答案:A46、听力题：The __________ is where most geological research occurs.47、听力题：A ____ is known for its speed and can run very fast.48、听力题：The car is parked _____ (in front/behind) the house.49、听力题：The phase change from gas to solid is called ______.50、听力题：A _____ is a celestial object that orbits a star.51、听力题：A molecule of oxygen consists of _______ atoms.52、What is 5 x 2?A. 10B. 12C. 15D. 2053、填空题：I like to go ________ (散步) in the evening.54、填空题：I can build a _________ (玩具飞机) that really flies.55、选择题：What is the name of the animal that can change its color?A. ChameleonB. DogC. CatD. Rabbit56、听力题：An indicator is a substance that changes color in response to _____.57、填空题：My mom is my __________. (英雄)58、填空题：The garden is filled with colorful _______ that bloom beautifully.59、填空题：A turtle can live for many ______ (年).60、听力题：A polymer is a large molecule made up of many ______.61、What do you call the leader of a country?A. PresidentB. MayorC. JudgeD. Teacher答案: A62、听力题：We will have a ________ next week.63、听力题：A ____ is a tiny insect that buzzes around flowers.64、填空题：A ______ (蜥蜴) can change colors to hide from predators.65、填空题：The ancient Romans created a complex system of ________ (法律).66、听力题：A _______ can protect itself with thorns.67、填空题：I enjoy ______ (聆听) different music styles.I want to learn how to _______ (绘制插画).69、选择题：What is the main ingredient in tzatziki?A. YogurtB. CucumberC. GarlicD. All of the above70、填空题：I can create memories with my ________ (玩具).71、填空题：I love to watch ______ (电视剧) with my family. It’s a great way to spend quality time together.72、What is 15 7?A. 6B. 7C. 8D. 973、填空题：The capital city of Belgium is ________ (布鲁塞尔).74、填空题：A __________ (色素) gives color to plants and flowers.75、填空题：My __________ (玩具名) can __________ (动词) if I push the button.76、听力题：I want to ___ a new bike. (buy)77、填空题：My grandpa tells jokes that are ____.78、填空题：A ______ (植物的生态保护) plan can ensure survival.79、填空题：The country of Italy is shaped like a ________ (意大利的形状像一个________).A ____(social equity) ensures fair treatment for all.81、填空题：I planted a __________ (花坛) in my backyard.82、What is the value of 10 3 + 5?A. 10B. 11C. 12D. 13答案:B83、听力题：The chemical formula for magnesium oxide is _______.84、What is the main function of leaves on a plant?A. To absorb waterB. To make foodC. To store energyD. To support the stem答案: B85、听力题：The girl enjoys ________.86、听力题：The flowers are ______ (beautiful).87、听力题：The teacher gives us _____ (homework/tests).88、Which of these numbers is even?A. 3B. 5C. 8D. 1189、What is the name of the superhero with a shield?A. BatmanB. Captain AmericaC. ThorD. Iron Man答案:BThe Pacific Ocean is the ______ ocean in the world.91、填空题：We should _______ (努力) to understand each other.92、What is the capital of the Netherlands?A. AmsterdamB. RotterdamC. The HagueD. Utrecht答案: A. Amsterdam93、听力题：The kids are _____ in the park. (running)94、听力题：The capital of Switzerland is __________.95、填空题：The swan glides elegantly on the _________. (水面)96、What is the primary function of leaves?A. Absorb sunlightB. Store waterC. Attract insectsD. Provide shelter97、What is the name of the first successful Mars rover?A. SpiritB. OpportunityC. CuriosityD. Perseverance98、填空题：The _____ (果树) has delicious fruits.99、听力题：A ____ has long whiskers and scurries about.100、填空题：My friend has a cool ________ (相机) to take photos.。

APPENDIX CExercise Solutions433EXERCISE C.1(a) A linear estimator is one that can be written in the form i i a Y ∑ where a i is a constant.Rearranging Y* yields, 212121111*2222i i Y Y Y Y Y Y =+==+=∑ Thus, Y* is a linear estimator where 12 for 1,2i a i == and 0i a = for 3,4,,i N =….(b) The expected value of an unbiased estimator is equal to the true population mean.()()()12121111*22222Y Y E Y E E Y E Y +⎛⎞==+=μ+μ=μ⎜⎟⎝⎠(c)The variance of Y * is given by ()121211var *var var 222Y Y Y Y Y +⎛⎞⎛⎞==+⎜⎟⎜⎟⎝⎠⎝⎠()()()2212121111var var 2cov ,2222Y Y Y Y ⎛⎞⎛⎞=++⎜⎟⎜⎟⎝⎠⎝⎠22211442σ=σ+σ=, since ()12cov ,0Y Y =(d) The sample mean is a better estimator because it uses more information. The variance of the sample mean is 2N σ which is smaller than 2σ when 2N >, thus making it a better estimator than Y *. In general, increasing sample information reduces sampling variation.EXERCISE C.2 (a)31231111, where are constants for 1,2 and 3.236i i i i Y Y Y Y a Y a i ==++==∑(b)()()()()123123111111111236236236E Y E Y Y Y E Y E Y E Y ⎛⎞=++=++=μ+μ+μ=μ⎜⎟⎝⎠(c)()123111var var 236Y Y Y Y ⎛⎞=++⎜⎟⎝⎠()()()()()1231223111var var var , since cov ,cov ,04936Y Y Y Y Y Y Y =++==22221117493618σ=σ+σ+σ=The variance of the sample mean is ()2226var 318Y N σσσ=== which is smaller than the variance of Y.(d) Since ()()var var Y Y > , Y is not as good an estimator as Y .(e) The probability that the estimator Y is within one unit on either side of μ is:[]110.5770.5770.436Y P Y P P Z P Z ⎡⎤⎡⎤μ−≤≤μ+=≤≤⎣⎦⎡⎤=≤⎢⎣=−≤≤=The probability that the estimator Yis within one unit on either side of μ is:[]110.53450.53450.407P Y P P Z P Z ⎡⎤⎡⎤μ−≤≤μ+=≤⎣⎦⎡⎤=≤≤⎢⎢⎣=−≤≤=EXERCISE C.3Let X be the random variable denoting the hourly sales of fried chicken which is normallydistributed; 2(2000,500)X N ∼.The probability that in a 9 hour day, more than 20,000 pieces will be sold is the same asthe probability that average hourly sales of fried chicken is greater than 20,000/9≈2,222 pieces.2222 666 500 [ 1.332]0.091X P X P P Z P Z P Z ⎡⎤⎡⎤>=>⎣⎦⎡⎤=>⎢⎣⎡⎤=>⎢⎥⎣⎦=>=EXERCISE C.4Let the random variable X denote the starting salary for Economics majors. Assume it is normally distributed;2(47000,8000)X N ∼.50000[ 2.37]10.99110.0089X P X P P Z P Z ⎡⎤⎡⎤>=>⎣⎦⎡⎤=>⎢⎣=>=−=EXERCISE C.5(a)We set up the hypotheses 0:170H μ≤ versus 1:170H μ>. The alternative is 1:170H μ> because we want to establish whether the mean monthly account balance is more than 170.The test statistic, given H 0 is true, is:()399X t t =∼The rejection region is 1.649t ≥. The value of the test statistic is2.462t ==Since 2.462 1.649t =>, we reject H 0 and conclude that the new accounting system is costeffective.(b) (399)(399)2.4621 2.4620.007p P t P t ⎡⎤⎡⎤=≥=−<=⎣⎦⎣⎦EXERCISE C.6(a) To decide whether the students are studying on average at least 6 hours per week, we setup the hypotheses0:6Hμ= versus1:6Hμ>. The test statistic, given H0 is true, is()7Xt t=∼()()81822111134466812 5.5881ˆvar()11.42867iiiiX xX x X====+++++++=σ==−=∑∑0.598t==−At the 0.05 level of significance, the rejection region is 1.895t>.Sincet = −0.598 < 1.895, we do not reject H0 and therefore cannot conclude that, at the0.05 level of significance, the students are studying more than 6 hours per week(b) A 95% confidence interval for the population mean number of hours studied per week is:X t±= 5.5±[]3.235, 7.765EXERCISE C.7(a) To test whether current hiring procedures are effective, we test the hypothesis that0:450H μ≤ against 1:450.H μ> The manager is interested in workers who can process at least 450 pieces per day.T he test statistic, when H 0 is true, is()49X t t =∼The value of the test statistic is1.861t ==Using a 5% significance level at 49 degrees of freedom, the rejection region is t > 1.677.Since 1.861 > 1.677, we reject 0H and conclude that the current hiring procedures are effective.(b) A type I error occurs when we reject the null hypothesis but it is actually true. In thisexample, a type I error occurs when we wrongly reject the hypothesis that the hiring procedures are effective. This would be a costly error to make because we would be dismissing a cost effective practice.(c)p -value = ()(49)1( 1.861)P t −< = (1 − 0.9656) = 0.0344EXERCISE C.8c Y z ±×, where c z is the corresponding critical value at a 95% level of confidence.The length of the interval is therefore (2c z ××.To ensure that the length of the interval is less than 4, derive N as follows:()()()222441.96214423.525c c c z z z N N N ⎛×<⎜⎝σ<σ<×<<A sample size of 424 employees is needed.EXERCISE C.9(a)(b)()()4110.120.230.340.43i i i E Y y P Y y ====×+×+×+×=∑(c)()()()()421var i i i Y y E Y P Y y ==−=∑()()()()2222130.1230.2330.3430.41=−×+−×+−×+−×=(d) ()1233123333Y Y Y Y Y Y E Y E E E E ++⎛⎞⎛⎞⎛⎞⎛⎞==++⎜⎟⎜⎟⎜⎟⎜⎟⎝⎠⎝⎠⎝⎠⎝⎠()()()1231113331113333333E Y E Y E Y =++=×+×+×=()123var var 3Y Y Y Y ++⎛⎞=⎜⎟⎝⎠()()()123111var var var 99911111119993Y Y Y =++=×+×+×=EXERCISE C.11The sample size, sample mean and standard deviation for the Fulton Fish Market data, on various days, are shown below.Monday Tuesday Wednesday Thursday Friday N21 23 21 23 23 Mean, X8070.762 4847.739 4367.476 7283.956 7083.305 Std.Dev., ˆσ5070.127 3964.039 2838.622 3200.351 3814.711(a) (i) The null and alternative hypotheses are0:10000H μ≥ against 1:10000H μ<(ii) The test statistic, when H 0 is true, is()1N t t −=∼The value of the test statistic is1.7437t ==−(iii) Using an0.05α= level of significance, at 20 degrees of freedom, the rejection region is t < −1.725. (iv) Since −1.7437 < −1.725, we reject the null hypothesis that the mean quantity sold isgreater than or equal to 10000. (v) p -value = ()(20) 1.7437P t <− = 0.0483. (b) (i) The null and alternative hypotheses are22023:1H σσ= against 22123:1H σσ>(ii) The test statistic, when H 0 is true, is()2322231,1ˆˆN N F F −−=σσ∼. The value of the test statistic is22(3964.039) 1.950(2838.622)F ==(iii) Using an 0.05α= level of significance, at (22, 20) degrees of freedom, the rejectionregion is F > 2.10.(iv) Since 1.950 < 2.10, we fail to reject the null hypothesis that the variances are equal. (v) p -value = ()(22,20) 1.950P F > = 0.069.Exercise C.11 (continued)(c) (i) The hypotheses are023:H μ=μ against 123:H μ≠μ(ii) The test statistic, when H 0 is true, is()()232222233223ˆˆ(1)(1)ˆ where =2pN N N N t t N N +−−σ+−σ=σ+−∼. The variance estimate is()2222223964.039202838.622ˆ=(3473.9)23212p×+×σ=+−The value of the test statistic is0.458 t ==(iii) Using an 0.05α= level of significance and degrees of freedom 42, the rejectionregions are 2.018t > and 2.018t <−. (iv) Since −2.018 < 0.458 < 2.018, we do not reject the null hypothesis that the means areequal. (v) p -value = ()()(42)(42)0.4580.4580.649P t P t >+<−= (d) The mean of W is given by123451234512345()()()()()()()E W E X X X X X E X E X E X E X E X =++++=++++=μ+μ+μ+μ+μ The variance of W is given by12345123452222212345var()var()var()var()var()var()var()σσσσσW X X X X X X X X X X =++++=++++=++++To derive the second line for var()W we have used the result that cov(,)0,i j X X = for i j ≠, because the i X are independent.Exercise C.11 (continued)(e)The mean for ˆμis given by()()()()()()123451234512345ˆ()E E X X X X X E X E X E X E X E X μ=++++=++++=μ+μ+μ+μ+μ=μThe variance of ˆμis given by()()()()()()1234512345222223512412345ˆvar()var var var var var var X X X X X X X X X X N N N N N μ=++++=++++⎛⎞⎛⎞⎛⎞⎛⎞⎛⎞σσσσσ=++++⎜⎟⎜⎟⎜⎟⎜⎟⎜⎟⎝⎠⎝⎠⎝⎠⎝⎠⎝⎠In deriving this variance, we have used the result that cov(,)0i j X X = because sales ondifferent days are assumed independent.Since the i X are distributed normally, it follows that the i X are normally distributed andthat ˆμ, which is a linear function of the i X , is also distributed normally; 2ˆ~(,)w N μμσ where51i i =μ=μ∑ and 2521σi w i i N =σ=∑Hence, a 95% interval estimator for μ is (0.025)ˆw Z μ±σ. Because w σ is unknown, we need to replace it with an estimate ˆw σ where2521ˆσˆi wi iN =σ=∑The resulting 95% interval estimator (0.025)ˆˆw Z μ±σ is an approximate one in large samples. For the Fulton Fish data, we obtain22ˆ(1835.5)w σ= and ˆ31653μ=and an approximate 95% interval estimate is(0.025)ˆˆ31653 1.961835.5(28055,35251)w Z μ±σ=±×=。

青岛2024年05版小学三年级上册英语第1单元真题试卷[有答案]考试时间：100分钟（总分:120）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、填空题：I love to play in the _________ (游乐场) with my _________ (玩具).2、ts can grow in _____ (干燥的) areas. 填空题：Some pla3、biomimicry) learns from nature for innovation. 填空题：The ____4、填空题：中国的________ (philosophy) 提倡和谐与平衡。

5、What is the name of the famous fish in "Finding Nemo"?A. DoryB. MarlinC. NemoD. Bruce答案:C6、听力题：The chemical formula for common baking soda is _______.7、听力题：The book is on the ___ (shelf/table).8、填空题：We are going to _______ a concert.9、填空题：My friend has a great sense of __________ (幽默).10、听力题：The chemical structure of DNA contains ______ bases.11、选择题：What do we call a place where we can see art?A. MuseumB. GalleryC. StudioD. Workshop12、选择题：What animal is known as “man's best friend”?A. CatB. DogC. RabbitD. Hamster13、听力题：The __________ is an area with many lakes.14、What is the name of the first woman to fly in space?A. Sally RideB. Valentina TereshkovaC. Mae JemisonD. Eileen Collins15、听力题：A buffer helps maintain a stable ______ in a solution.16、填空题：The __________ (树) grows tall and strong in the forest.17、填空题：The _______ (小漁) glides through the water.18、听力题：A __________ is a geological formation that has been shaped by erosion.19、填空题：我的朋友喜欢 _______ (活动). 她觉得这很 _______ (形容词)20、What is the capital of Greece?A. AthensB. RomeC. IstanbulD. Cairo答案:A21、听力题：They are _____ (making) cards.22、听力题：She is _______ (reading) a novel.23、填空题：A flamingo's habitat is often a ________________ (湿地).24、听力题：The _______ can provide essential food for animals.25、听力题：Substances that speed up chemical reactions without being consumed are called________.26、填空题：The ________ was a pivotal battle in the history of the United States.27、填空题：The _____ (自然灾害) can affect plant growth dramatically.28、填空题：I like to write letters to my ________ (朋友) who live far away. It’s fun to stay in touch.29、听力题：A reaction that absorbs energy is called an ______ change.30、填空题：The _____ (植物文化遗产) enriches human history.31、听力题：The __________ is a famous area known for its scientific research.32、听力题：I have a _____ (question/answer) for you.33、听力题：She is ___ the piano. (playing)34、听力题：The ________ are a group of islands in the Pacific Ocean.35、What is the capital of Italy?A. VeniceB. MilanC. FlorenceD. Rome答案: D36、听力题：The chemical formula for lawrencium oxide is ______.37、What do we call the time before written records?A. PrehistoricB. AncientC. MedievalD. Modern答案: A38、听力题：I see a _____ butterfly in the garden. (beautiful)39、填空题：The ________ (农业与环境协调) are essential.40、What do we call a scientific test?A. ExperimentB. ObservationC. AnalysisD. Theory答案: A41、填空题：My favorite animal is a ________.42、填空题：The gazelle can leap very _________ (远).43、听力题：The capital of Palau is __________.44、填空题：The __________ (文艺复兴) brought about changes in art and science.45、What do you call the person who flies an airplane?A. PilotB. NavigatorC. EngineerD. Stewardess46、What is the name of the fairy tale character who wears a red cloak?A. CinderellaB. Little Red Riding HoodC. GoldilocksD. Snow White答案: B47、填空题：The __________ (历史的传承途径) shape cultural continuity.48、听力题：The ancient Romans built roads to connect their _______.49、What do we call a scientist who studies insects?A. EntomologistB. BiologistC. ZoologistD. Ecologist50、填空题：My favorite color is _______ (粉色).51、What is the capital of Spain?A. MadridB. BarcelonaC. ValenciaD. Seville答案:A52、What is the term for a baby goat?A. CalfB. LambC. KidD. Foal答案: C53、听力题：He is ________ a letter.54、填空题：My hamster runs on its ______ (轮子) all night.55、How many wheels does a bicycle have?a. Oneb. Twoc. Threed. Four答案:B56、听力题：She is making a ___. (cake)57、What do you call a large body of water?A. LakeB. OceanC. RiverD. All of the above答案:D58、填空题：A __________ (化学实验室设备) is essential for conducting experiments safely.59、Which sport uses a net and a ball?A. SoccerB. TennisC. BaseballD. Golf答案: B60、填空题：I have a ________ that plays music.61、选择题：What is the name of the famous landmark in London?A. Big BenB. Eiffel TowerC. Statue of LibertyD. Colosseum62、听力题：The sky is very _______ (clear) today.63、听力题：My friend is a ______. He loves to read comics.64、填空题：A ________ (种子) can stay dormant for years.The ________ (农业技术推广) enhances practices.66、听力题：They are _____ (sitting) on the grass.67、填空题：The __________ (历史的舞台) sets the scene.68、听力题：The atomic structure of an element determines its ______.69、填空题：The _____ (薄荷) smells refreshing.70、What do you call a piece of furniture to sleep on?A. CouchB. BedC. ChairD. Table71、War was fought indirectly through ________ (代理战争). 填空题：The Cold72、听力题：A ______ is a special type of ant.73、填空题：My ___ (小狗) digs holes in the backyard.74、Which animal is known for its wisdom?A. OwlB. EagleC. ParrotD. Crow答案:A75、听力题：Black holes are regions in space with a very strong ______.76、听力题：The color of a star indicates its _______.77、填空题：A _____ (82) is a region characterized by specific weather patterns.My sister is a _____ (演员) who stars in plays.79、选择题：What is the name of the famous bear from the Hundred Acre Wood?A. PaddingtonB. Winnie the PoohC. YogiD. Smokey80、What do we call a person who studies the history of specific cultures?A. AnthropologistB. HistorianC. ArchaeologistD. Sociologist答案: A81、What do we call a baby sheep?A. CalfB. LambC. KidD. Foal答案:B82、What do we call a baby pig?A. CalfB. PigletC. LambD. Kid答案:B83、听力题：She can ___ (sing/dance) very well.84、ts are ______ (耐寒) and can survive frost. 填空题：Some pla85、How many colors are in the American flag?A. 2B. 3C. 4D. 5答案:B86、What do we call the time when the sun rises?A. SunriseB. SunsetC. DuskD. Twilight答案: A87、听力题：His favorite food is ________.88、What do we call a person who studies animal behavior?A. EthologistB. BiologistC. EcologistD. Zoologist答案: A89、填空题：My dog loves to chase _______ (小球).90、What is the name of the sweet treat made from flour and sugar?A. CakeB. CandyC. CookieD. Brownie答案: C91、填空题：The __________ (植物的生命周期) is fascinating to observe.92、听力题：The wind is _______ (howling) outside.93、How many days are in February during a leap year?A. 28B. 29C. 30D. 3194、What is 5 + 2?A. 6B. 7C. 8D. 9答案: B95、填空题：A crow can mimic sounds it ________________ (听到).96、听力题：He _____ (kicks/throws) the ball.97、What do we call a group of stars that form a pattern?A. GalaxyB. ConstellationC. NebulaD. Asteroid98、填空题：Gardening can inspire creativity and ______ in various forms. (园艺可以激发创意和表达。

ANS: x = x + 1;
4.2
x
+= 1;
++x; x++;
4.3
Write C++ statements to accomplish each of the following: a) In one statement, assign the sum of the current value of x and y to z and postincrement the value of x.
ANS: product = 25, x = 6;
b)
quotient /= ++x;
ANS: quotient = 0, x = 6;
1 2 3 4 5 6 7 8 9 10 11 12 13 14
// Exercise 4.6 Solution: ex04_06.cpp // Calculate the value of product and quotient. #include <iostream> using std::cout; using std::endl; int main() { int x = 5; int product = 5; int quotient = 5; // part a product *= x++; // part a statement
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Chapter 4
Control Statements: Part 1
4.5 Combine the statements that you wrote in Exercise 4.4 into a program that calculates and prints the sum of the integers from 1 to 10. Use the while statement to loop through the calculation and increment statements. The loop should terminate when the value of x becomes 11.