2020届高三英语一轮复习教案：Unit 4 Astronomy：the science of the stars(新人教版必修3)

Book 3 Unit 4 Astronomy：the science of the stars

Ⅰ.联想记忆(根据提示写出相应的词汇以及相关短语)

1．system n．系统

2．in_time及时；迟早，终于→on time 按时→sooner or later迟早

3．harmful adj.有害的→be harmful_to 对……有害

4．in one’s turn轮到某人→It’s one’s turn to do sth.轮到某人做某事→in_turn 轮流；转而→by_turns 轮流

5．prevent...from...阻止；制止→stop...from.../keep...from...阻止做某事

6．now_that既然→since 既然

Ⅱ.构词记忆(根据提示写出相应的词汇及其派生词)

1．theory n．理论，学说→theoretical adj.理论的

2．globe n．地球仪→global adj.全球的

3．like prep.相似；像→unlike prep.不同；不像

4．exist vi.存在→existence n．存在

5．puzzle vt. & vi.(使)迷惑→puzzling adj.令人迷惑的→puzzled adj.感到迷惑的

6．biology n．生物学→biological adj.生物的→biologist n．生物学家

Ⅲ.语境填词(根据提示用适当的单词或短语填空)

1．Now_that(既然) it seems impossible to prevent the war from(阻止) breaking_out(爆发), we will

do everything we can to defend our country.

2．If there were no pull(牵引力) of the earth, we would all float_weightlessly(失重漂浮)．

3．Violent(暴力的) films are harmful to children, so parents should watch_out(密切关注) and try to

stop them in_time(及时)．

4．Unlike(不像) other education systems(体系), ours pay too much attention to the facts instead of

the fundamental(基本的) abilities.

5．The manager cheered_up(感到高兴) at the news that his wife gave_birth_to(分娩) a baby girl and

immediately, there was a pleasant atmosphere(气氛) in the office.

Ⅳ.语境记忆(背诵语段，记忆单元词汇)

With the development of astronomy，people know more about the fundamental theory of

climate，atmosphere and the globe.Now more and more satellites and spaceships are sent into

space where there’s no oxygen and gravity.

Ⅴ.课文原句背诵

1．This produces a chain reaction，which_made_it_possible for life to develop.

这产生了连锁反应，使得生命的发展成为可能。

2．But when I tried to step forward, I found I was carried twice_as_far_as on the earth and fell over.

当我试图向前走时，我发现自己被带出了在地球上的两倍远并摔倒在地。

3．What_is_even_more_important_is_that as the earth cooled down，water began to appear on its

surface.

更为重要的是，随着地球的冷却，地球的表面开始出现了水。

Ⅰ.单项填空

1. As Jack left his membership card at home, he wasn’t allowed________into the sports club.

(2012·上海，27)

A．going B．to go C．go D．gone

答案 B

解析 allow sb. to do sth./sb. be allowed to do sth. 允许某人做某事。句意为：杰克因为把会员卡忘在家里了，所以他没有被允许进运动俱乐部。

2．The limits of a person’s intelligence，generally speaking，are fixed at birth，but________he

reaches these limits will depend on his environment. (2012·安徽，27)

A．where B．whether

C．that D．why

答案 B

解析 句意为：一个人的智力极限，通常来说，出生时就已经定型了。但他是否能够达到这些极限则取决于他所处的环境。根据depend on可知，主语从句含有不确定因素，可排除C项。where表示地点；why表示原因，用于此处不合适；而使用whether表示“是否”，与题意吻合。

(考查单元语法)

3．—Thank God you’re safe!

—I stepped back, just________to avoid the racing car.(2012·江苏，29)

A．in time B．in case

C．in need D．in vain

答案 A

解析 in time及时；in case万一，以防；in need需要；in vain徒劳，无济于事。句意为：——谢天谢地，你是安全的！——我后退了一步，及时躲过了那辆赛车。由句意知选A项。

(教材原句：They were in time to produce carbon，...，which were to make the earth’s atmosphere.)

4．The new stadium being built for the next Asian Games will be________the present one.

(2011·陕西，17)

A．as three times big as

B．three times as big as

C．as big as three times

D．as big three times as

答案 B

解析 句意为：正在为下一届亚运会建的新体育馆是现在的体育馆的3倍大。本题考查倍数表达法的句型，该题中体现的倍数表达法的句型是：倍数＋as...as...。

(教材原句：But when I tried to step forward, I found I was carried twice as far as on the earth and

fell over.)

5．It is still under discussion ________ the old bus station should be replaced with a modern hotel or

not. (2011·重庆，22)

A．whether B．when

C．which D．where

答案 A

解析 句意为：老汽车站是否应该被一个现代化的宾馆代替仍然在讨论之中。由or not可知此处应用连接词whether，whether...or not意为“是否”。

(考查单元语法)

Ⅱ.完形、阅读——英译汉

1．Alex started to shout loudly in time to the beat(节拍)． (2012·陕西·阅读B)

Alex_开始随着节拍大喊起来。

2．When we were in the middle of the lake, a strong wind came all of a sudden.The boat was hit

violently. (2011·重庆·完形)

当我们在湖中央的时候，突然来了一阵大风，船剧烈晃动起来。

3．There existed a close relationship between families and their milkmen.

(2011·大纲全国Ⅰ·阅读A)

很多家庭和给他们送牛奶的人关系都很密切。

4．In the early 16th century, people thought that dirt on the skin was a means to block out disease.

(2011·重庆·阅读C)

16世纪初，人们以为皮肤上的污垢可以阻挡疾病。

Ⅲ.书面表达——汉译英

1．否则它会立刻失去平衡并最终撞向地面。(eventually) (2012·上海·书面表达)

Otherwise it will instantly lose its balance before eventually crashing into the ground.

2．就这样，我意识到同学们各自的优点并让每一个人在班级中发挥自己的作用。(thus)

(2011·湖北·短文写作)

Thus I began to recognize the strengths of my classmates and have everyone do their part in class.