课时提能练(十四)
Unit 4 Astronomy: the science of the stars
课时作业A：基础层面
Ⅰ.语境语法填空
A
The 1.existence (exist) of terrorism lets the world not be stable. Terrorist activities, many of which are linked to 2.religious (religion) extremism, have resulted in a 3.global (globe) disaster. They not only bring threat to the safety of human but have 4.harmful (harm) effect on economic growth. Many people are forced to flee their homes because of growing fears of terrorist 5.violence (violent). All governments are paying great attention to this issue, but to stop terrorism is indeed a 6.systematic (system) project, which requires effort, wisdom and cooperation.
B
A conflict broke 7.out when the villagers tried to prevent the factory workers 8.from sending waste water into their field. The villagers had been watching out 9.for the waste water for some time. They found it was very harmful 10.to their health as well as their crops. Officials came just 11.in time to stop the situation getting worse. They managed to block 12.out the anger of the villagers, promising to punish the factory for what they had done. On hearing this, the villagers cheered 13.up and the conflict ended finally.
C
At a rough estimate, Nigeria is three times 14.the size of Great Britain. Its population is also twice 15.what it was 50 years ago. Nigeria is abundant in oil, which makes 16.it possible to become Africa's No.1 economy. Chinese people are pouring into this country. The number of Chinese tourists to Nigeria is five times as large 17.as it used to be. Now 18.that you have got a chance to visit it, why not go to appreciate its charming scenery and unique culture?
Ⅱ.语境短文改错
根据P30－31课文内容，对下面材料进行修改。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
Last month I paid a visit the moon with my friend. Before we left, I was told the force of gravity would change three time on our journey. Then we took up. As we
left the earth, I became very heavily. Gradually the weight lessen. When I was in space, it was disappeared. We floated weightlessly in the cabin and I cheered up. When I was on the moon, I was surprise to find even walking needed lots of practice now that gravity changed. The returning of the earth was very frightened. We were amazed to watch fire broke out on the outside of the ship.
[答案]
∧
Last month I paid a visit to the moon with my friend. Before we left, I was told timeup
the force of gravity would change three on our journey. Then we took . As
timesoffheavilylessen
we left the earth, I became very . Gradually the weight . When I was
heavylessenedin space, it
disappeared. We floated weightlessly in the cabin and I cheered
surprise
up. When I was on the moon, I was to find even walking needed lots of practice
surprisedoffrightened
now that gravity changed. The returning the earth was very . We were tofrighteningbroke
amazed to watch fire out on the outside of the ship.
break
Ⅲ.根据提示补全句子
1．既然我无事可做，我可以享受一会儿音乐了。(now that)
Now that I have nothing to do, I can enjoy music for a little while. 2．他们是否能够通过沟通达成协议还不清楚。(it作形式主语)
It's not clear whether they are able to arrive at an agreement through communication or not.
3．这些游客们回到宾馆，又累又困。(形容词短语作状语) These travelers returned to the hotel, tired and sleepy．
4．无论他在哪里，早饭前散散步成为他的习惯。(make it＋n.＋ to do ...) No matter where he is, he makes it a rule to go for a walk before breakfast. 5．李明的手机看起来和张华的一样，但价格是他的两倍。(倍数表达法)
Li Ming's mobile phone looked just the same as Zhang Hua's, but it cost twice as much as his.
课时作业B：能力层面
Ⅰ.阅读理解
A
(2019·大连市一模)Emilia Dobek traces her interest in space and the universe back
to third grade when she and her father watched a blood moon—a total lunar eclipse(月食)—on the roof of their house.
Now a seventh grader at East Prairie Elementary School, Dobek recently won the national Discovery Education Lockheed Martin Beyond Challenge by designing a space station for travelling to Mars.
She says that night watching the lunar eclipse started a strong desire in her that has yet to run out of fuel. So when her teacher Andrea Smeeton received information about the national challenge, Smeeton said she immediately had one student in mind.
“I knew she would love the challenge and that she would go way beyond in her search，” Smeeton said. “She immediately started researching bone density(密度) of astronauts and how to have food on Mars.”
“My design will ensure the safety of the astronauts but also make sure their comfort is out of this world，” Dobek says.
Dobek's design calls for building the MSS or Mars Storage Station to put the supplies in. It also includes the SGF or Self-Growing Farm, and she details how it would work with the elements on Mars.
Then there is physical and leisure activity for the astronauts under Dobek's design. A simulator (模拟装置) allows astronauts to choose their exercise machine and virtual reality environment. Rooms have circular ceilings so astronauts will be able to watch downloaded shows and even see places on Earth, such as their homes.
“I want to tell other kids to follow their passions，” Dobek said. “Whatever they want to do, they should push for it and always try their best.”
【语篇解读】 本文主要介绍了小学生Emilia Dobek设计太空站，并赢得挑战的相关内容。
1．Dobek first became interested in space when ． A．she was still a seventh grader B．she studied at a junior high school C．she lived on the top of their house D．she watched an eclipse of the moon
D [细节理解题。根据第一段“Emilia Dobek traces her interest in space and the universe back to third grade when she and her father watched a blood moon—a total lunar eclipse(月食)—on the roof of their house”可知，Dobek对太空感兴趣是从她在三年级时的一个晚上观看一次月食开始的。]
2．Smeeton recommended that Dobek take the challenge because ．
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