Unit 6 When was it invented? Section B (2a~2e) 课时作业（含答案）

Unit 6 Section B (2a~2e)
【基础性作业】
一、用括号内所给单词的适当形式填空
1.It's 　 　 (believe) that tea was brought to the Republic of Korea and Japan during the 6.th and 7.th centuries.
2.I think the computer was 　 　 (invent) before the TV.
3.Her mother is Chinese and her father is 　 　 (Canada).
4.The teacher was asked 　 　 (give) a talk to the new students.
5.Many people will go to the concert, 　 　 (include) teachers, students and parents.
【拓展性作业】
二、根据汉语提示完成下列句子,每空词数不限
6.他们都崇拜袁隆平——中国最伟大的科学家之一。
They all 　 　Yuan Longping who is one of the greatest scientists in China.
7.人们为了好玩和锻炼才打篮球。
People play basketball for 　 　.
8.河水已经上涨了五米。
The river 　 　five meters.
9.奈史密斯博士创造了在室内玩的篮球游戏。
Dr. Naismith created the basketball game 　 　 indoors.
10.不仅学生,而且老师也反对这个计划。
　 　 the students 　 　 the teacher was against the plan.
【综合性作业】
三、完形填空
(跨学科·科学)Many useful machines were invented by great inventors. These machines have 　11.　 the world a lot. There are a large number of 　12.　 in the world, and James Watt is one of them.
James Watt was born in 17.36. in Scotland. When he was a child, he was good at 　13.　 and liked to ask questions. One day, when he was sitting with his grandmother in the 　14.　, he saw a kettle (水壶) on the stove (火炉). Soon steam (蒸汽) began to come out of the kettle and the lid (盖子) was shaking. Watt asked what was 　15.　 the kettle. His grandmother answered, “Water, my child.”
“Well, there must be 　16.　 else in it. It pushes the lid up,” said Watt. His grandmother told him that it was only steam. He asked his grandmother, “　17.　 does the steam come from ” His grandmother said that it came from hot water. Watt said to her, “The steam is so strong　18.　 it can push things. The steam will be much　19.　 if there's more water.”
Later, Watt tried hard and made steam 　20.　 for people. Finally, he succeeded in inventing the first steam engine in the world.
( )11.A.changed B.got C.became D.put
( )12.A.reporters B.teachers C.inventors D.guards
( )13.A.rushing B.using C.growing D.thinking
( )14.A.park B.hospital C.kitchen D.field
( )15.A.at B.in C.of D.with
( )16.A something B.nothing C.anything D.everything
( )17.A.Why B.Where C.Whether D.When
( )18.A.though B.until C.that D.if
( )19.A.cheaper B.stronger C.colder D.weaker
( )20.A.collect B.warn C.meet D.work2
参考答案
Section B (2a~2e)
基础性作业
1.believed　2.invented　3.Canadian　4.to give
5.including
拓展性作业
6.look up to
7.fun and exercise
8.has risen
9.which was played
10.Not only　but also
综合性作业
11~15　ACDCB　16~20　ABCBD