16.There have been many great inventions,which have changed the way we live.The first great invention was (21)C that is still very important today-the wheel(輪子).This made it easier to (22)A heavy things and to travel long distances.
For hundreds of years after that there were few inventions that have as much (23)D as the wheel.Then in the early 1800's the world started to (24)C.There was little unknown land in the world.People did not (25)A to explore(探索) any more.They began to work so as to (26)C life better.
In the second half of the 19th century many great inventions were made.(27)B them were the camera,the electric light and the radio.These all became a big (28)B of our life today.
The first part of the 20th century saw more great (29)D:the helicopter in 1909; movies with sound in 1926; the computer in 1928; and jet planes in 1930.This was also a time (30)A a new material was first made.Nylon (尼龍)came (31)A in 1935.It changed the (32)C of clothes people had been wearing.The middle part of the 20th century brought new ways to help people get over (33)B.They worked very well.They made people healthier and let them live (34)B lives.By the 1960's most people could (35)B to live at least 60.
By this time most people had a very good life.Of course new inventions (36)Dto be made.But man now had a desire to explore again.The world was (37)D to man but the stars were not.Man began looking for ways to go into (38)A.Russia made the first step.Then the United States took a step.Since then other countries,(39)A China and Japan,have made their steps into space.
In 1969man took his biggest step away from the earth.Americans first walked on the moon.This is certainly just a (40)C thought.New inventions will someday allow us to do things we have never dreamed of.
21.A.what | B.that | C.one | D.it |
22.A.carry | B.bring | C.find | D.put |
23.A.time | B.knowledge | C.situation | D.effect |
24.A.a(chǎn)ppear | B.mind | C.change | D.rise |
25.A.have | B.want | C.decide | D.like |
26.A.work | B.turn | C.make | D.think |
27.A.In | B.Among | C.Between | D.About |
28.A.sort | B.part | C.step | D.use |
29.A.results | B.jobs | C.things | D.inventions |
30.A.when | B.which | C.if | D.a(chǎn)s |
31.A.out | B.in | C.a(chǎn)way | D.a(chǎn)bout |
32.A.rest | B.course | C.kind | D.pattern |
33.A.rules | B.diseases | C.difficulties | D.problems |
34.A.more important | B.longer | C.happier | D.better |
35.A.hope | B.expect | C.start | D.a(chǎn)sk |
36.A.go on | B.begin | C.a(chǎn)re able | D.continue |
37.A.useful | B.popular | C.common | D.known |
38.A.space | B.sky | C.a(chǎn)ir | D.room |
39.A.including | B.except | C.but | D.like |
40.A.moving | B.interesting | C.beginning | D.surprising |