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UNIT 4 SPACE EXPLORATION
PART 1 Listening and Speaking & Listening and Talking
匹配下列各句中画线部分单词与其英文释义。
1. After brushing teeth, some astronauts swallow the toothpaste while others use tissues to get rid of it.
2. Wang Yaping, the first Chinese woman to complete a spacewalk, is not only intelligent but also very brave.
3. Basic in-orbit testing of the science experiment facilities aboard China's Tiangong space station was completed last year.
4. A VR headset has been sent to the International Space Station to support the mental well-being of astronauts during their mission.
5. After the selection procedure, a Hungarian astronaut can be expected to be sent on a mission to the International Space Station in 2024.
a. connected with the mind
b. good at learning, understanding and thinking
c. pieces of soft paper that are used for cleaning
d. a way of doing something, especially the usual or correct way
e. pieces of equipment that are provided for a particular purpose
1-5 __________

PART 2 Reading and Thinking
I. 写出所给单词在下列各句中的词性及中文释义。
1. desire
Throughout history, mankind has long ①desired to explore the universe. It is the human ② desire for exploration that leads to discovery.
①__________ __________ ②__________ __________
2. orbit
The China Manned Space Agency built the Tiangong space station in low Earth ① orbit. It ② orbits Earth at an average height of about 400 kilometers.
①__________ __________ ②__________ __________
3. launch
China ① launched Shenzhou 17 at 11: 14 am on October 26, 2023. About eight hours after the ② launch, the crew of three astronauts arrived at the Tiangong space station.
①__________ __________ ②__________ __________
4. signal
① The launch of the Sputnik 1 satellite signalled the start of the Space Age.
__________ __________
② Almost all communications with craft in deep space are achieved through radio signals. __________ __________
③ If communication equipment fails to work while on a spacewalk, astronauts can use hand signs to signal important instructions to follow. __________ __________
II. 选用方框内合适的内容并用其正确形式完成下列句子（每项限用一次）。
A
data, gravity, determine, disappoint, independence
1. In July 2020, China launched its first __________ Mars mission, Tianwen-1.
2. A series of experiments failed, but that just made scientists more __________.
3. When floating in the zero __________ of space, astronauts have more rounded faces.
4. The young man was __________ not to have been chosen for the astronaut team.
5. James Webb Space Telescope can provide a wealth of detailed star __________ for scientists worldwide.
B
carry on, on board, in the hope of
1. My sister is studying hard ____________________ being admitted to an engineering college.
2. Despite the risks and unknowns, the curiosity about the universe drives mankind to ____________________ space exploration.
3. More than 100 science and technology projects are being undertaken ____________________ the Tiangong space station.

PART 3 Discovering Useful Structures, Reading for Writing, Assessing Your Progress & Video Time
I. 根据提示写出所缺单词的正确形式。
1. When on a spacewalk, astronauts use safety ropes to a__________ themselves to their spacecraft.
2. By going on spacewalks, astronauts can repair equipment that might __________ (否则) have to be brought back to Earth for repair.
3. Astronauts sometimes need to act as farmers so as to live on __________ (limit) resources during their missions.
4. The absence of __________ (氧气), together with other factors including l__________ of water and insufficient gravity, makes the moon unsuitable for life to live.
II. 用适当的介词或副词完成下列句子。
1. A new study has found that long-term space missions may result __________ bone loss in astronauts.
2. After Galileo figured __________ how to make a telescope, he built one and used it to study the moon.
3. The spacecraft was running __________ of fuel, and __________ a result the mission had to end earlier than planned.
III. 阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
Astronauts have to wash their hair too! Karen Nyberg on the International Space Station shows us how.
Hi there. I will show you how I wash my hair in space. Let's see, 1. __________ these are the things I need: a bag of warm water, a little no-rinse shampoo (免洗洗发水), a towel and my comb (梳子).
What I like to do is start by putting some hot water on my hair, and I have a mirror here so I can watch what I'm doing. Sometimes the water gets away from me, and I need to reach out my hand 2. __________. Then I use my no-rinse shampoo, just a little bit, and rub ( 揉) it in. Sometimes I'll take my comb 3. __________. And then I like to take my towel while I have the shampoo in there because without standing under running water I need to use the towel a little bit 4. __________. I like to follow that with a little more water. It's called no-rinse shampoo but I think it's best if you use a little water with it. It feels clean right now. Now I will take the dry part of my towel 5. __________. As the water evaporates (蒸发) from my hair, the air gets wet. And then our air conditioning system will collect that 6. __________. In the end I just do one final comb-through to make sure there are no snarls ( 打结). And that is how I wash my hair in space on the International Space Station.
A. to dry my hair B. to get started C. to catch as much as I can D. to make drinking water later E. to help get some of the dirt out F. to help work it all the way to the end
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UNIT 4 SPACE EXPLORATION答案
PART 1 1-5 cbead
PART 2
I. 1. ①v. 渴望 ②n. 渴望 2. ①n. 轨道 ②v. 环绕……运行
3. ①v. 发射 ②n. 发射 4. ①v. 标志着 ②n. 信号 ③v. 示意
II. A 1. independent 2. determined 3. gravity 4. disappointed 5. data
B 1. in the hope of 2. carry on 3. on board
PART 3
I. 1. attach 2. otherwise 3. limited 4. oxygen; lack
II. 1. in 2. out 3. out; as
III. 1-6 BCFEAD
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