Unit 6 When was it invented
Self Check
Ⅰ.词汇运用。
A)根据句意及汉语提示填写单词。
1．My mother doubted(怀疑) if he was a real
policeman.
2．The lock(锁) is broken.You must buy one at
once.
3．The website(网站) is useful.I found out
some information that I need.
4．There are a lot of heroes(英雄) in the
history of China.
5．Is Easter a national(国家的) holiday in
China?
B)用括号内所给单词的适当形式填空。
6．The old man nearly(near) lost his life in
that terrible ship accident.
7．How nice the cake smells(smell)! I can't
wait to eat it.
8．Shen Nong discovered tea when
boiling(boil) drinking water.
9．Mary was on the phone，all of a
sudden(suddenly) two strangers broke into her
house.
10．Some important information was
mentioned(mention) in the reporter.
Ⅱ.按要求完成下列句子，每空一词。
11．I admired her when I heard she was a
nurse.(改为同义句)
I looked up to her when I heard she was a
nurse.
12．The first basketball game was played
in__December，1891．(对画线部分提问)
When was the first basketball game played?
13．Not only Tom but also Kate has been to the
school library.(改为同义句)
Both Tom and Kate have been to the school
library.
14．We heard Sandy sing in the classroom.(改为被动语态)
Sandy was heard to sing in the classroom.
15．A knife is used to cut things.(改为同义句)
A knife is used for cutting things.
Ⅲ.语法填空。
阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式(每空不多于3个单词)。
Most people think that only a genius(天才)can
invent.That is not true.Many of the tools and
products we use in our daily life were
__16__(invent) by ordinary people by accident.
William Kamkwamba grew up on a farm in a small
village in Malawi，Africa.When he was 14, he had
to drop out of school __17__ his parents couldn't
earn enough money to send him to school any more.
One day，when William felt the wind，he began
to think __18__ it could be used. He __19__ a book
from the library called Using Energy，which had
__20__(picture) of windmills(风车) in it. Although
the book didn't talk about using wind to produce
__21__，it gave him this idea.
William started __22__(work) on a model of a
windmill and he used it to power a radio! He then
built a much __23__(large) windmill with old pieces
of junk.The villagers were amazed when they saw he
used it to power four light bulbs and to charge(使充电) their mobile phones!
William's windmill drew a lot of __24__ and he
even wrote a book about his story.Now he travels
around the world，speaking about his __25__ and
developing other inventions to help people.
16．invented 17.because 18.how
19．borrowed 20.pictures
21.electricity
22．working rger 24.attention
25．project
Ⅳ.阅读理解。
Nobody knows who invented the pencil or when
it was invented.A Swiss(瑞士人) described a pencil
in a book in 1565.He said it was a piece of wood
with lead(铅) inside it.Pencils weren't popular，and people continued to write with pens.In 1795，someone started making pencils from graphite(石墨) and they became very popular.Today，people
make pencils in the same way.They make the graphite
into the shape of a stick，and then they put it
inside a piece of wood.One pencil can make a line
as long as 55 kilometers.
When people wrote with pens，they had to put
the penpoint into ink(墨水) after every few
ter someone invented a fountain pen(自来水笔) and this kind of pen could hold ink inside
it.A fountain pen can write several pages before
you have to fill it again.
Two brothers，Ladislao and Georg Biro，invented the ballpoint pen that we all use
today.They left their country Hungary and started
producing ballpoint pens in England in 1943 during
World War ter，a French company called Bic
bought the Biro brother's company.Someone calls
ballpoint pens bics.Australians call them
biros.Whatever we call them，we use them every day.
(D)26.When was the pencil invented according
to the passage?
A．In 1565. B．In 1795.
C．In 1943. D．Before 1565.
(A)27.What do people use to make pencils today?
A．Graphite. B．Lead.
C．Sticks. D．Ink.
(C)28.The underlined word “penpoint” in the
passage means “________” in Chinese.
A．笔杆 B．笔帽
C．笔尖 D．笔筒
(D)29.Where were Ladislao and Georg Biro from?
A．America. B．Australia.
C．England. D．Hungary.
(B)30.What is the passage mainly about?
A．Some famous inventors.
B．The invention of some kinds of pens.
C．Who invented the pencil.
D．Which kind of pen is the most useful.
