A spacesuit is much more than a set of clothes astronauts wear on spacewalks. A full spacesuit is really a one-person spacecraft. The spacesuit protects the astronaut from the dangers of being outside in space.
Spacesuits help astronauts in several ways. Spacewalking astronauts face different temperatures. Around the earth, conditions in space can be as cold as around -156 ℃. In the sunlight, they can be as hot as 121 ℃. A spacesuit protects astronauts from those extreme temperatures.
Spacesuits also provide astronauts with O2 to breathe while they are in the space. They contain water to drink during spacewalks. They protect astronauts from being hit by a small object in space. It may not sound very dangerous, but when even the small object is moving many times faster than a bullet, it can cause injury. Spacesuits also protect astronauts from radiation(辐射) in space. The suits even have parts to protect astronauts’ eyes from the bright sunlight.
The spacesuit includes several pieces. The body equipment covers the astronaut’s body. The arm equipment covers the arms and connects to the gloves. The helmet (头盔) and another equipment are designed to protect the astronaut’s head while still allowing him or her to see as much as possible. The Lower equipment covers the astronaut’s legs and feet. These parts have different functions(功能), from keeping O2 within the spacesuit to protecting from being hit.
Under the spacesuit, astronauts wear a set of cooling equipment. Tubes (管子) are put into this tight-fitting piece of clothing that covers the whole body except for the head, hands and feet.
Water moves through these tubes to keep the astronaut cool during the spacewalk. On the back of the spacesuit is a backpack. This backpack provides the O2 that astronauts breathe during a spacewalk. It also takes CO2 away. The backpack also provides electricity for the suit. A fan moves the O2 through the spacesuit and life support systems, and a water tank holds the cooling water that moves through the cooling device.
Another device called the Simplified Aid for Extravehicular Activity Rescue, or SAFER is necessary. If an astronaut became separated from the space station, he or she could use SAFER to fly back.
1.What does a spacesuit provide according to the passage?
A. CO2. B. Food. C. Radiation. D. Electricity.
2.What can we learn from the passage?
A. A small object hurts a little to astronauts in space.
B. SAFER helps astronauts return to the space station.
C. A spacesuit is just a kind of clothes to wear in space.
D. An astronauts needs to wear the spacesuit all the time.
3.Which question can be answered in Paragraph 2&3?
A. What are the parts of a spacesuit?
B. What do astronauts wear in space?
C. Why do temperatures change a lot?
D. Why do astronauts need spacesuits?
九年级英语阅读单选中等难度题
A spacesuit is much more than a set of clothes astronauts wear on spacewalks. A full spacesuit is really a one-person spacecraft. The spacesuit protects the astronaut from the dangers of being outside in space.
Spacesuits help astronauts in several ways. Spacewalking astronauts face different temperatures. Around the earth, conditions in space can be as cold as around -156 ℃. In the sunlight, they can be as hot as 121 ℃. A spacesuit protects astronauts from those extreme temperatures.
Spacesuits also provide astronauts with O2 to breathe while they are in the space. They contain water to drink during spacewalks. They protect astronauts from being hit by a small object in space. It may not sound very dangerous, but when even the small object is moving many times faster than a bullet, it can cause injury. Spacesuits also protect astronauts from radiation(辐射) in space. The suits even have parts to protect astronauts’ eyes from the bright sunlight.
The spacesuit includes several pieces. The body equipment covers the astronaut’s body. The arm equipment covers the arms and connects to the gloves. The helmet (头盔) and another equipment are designed to protect the astronaut’s head while still allowing him or her to see as much as possible. The Lower equipment covers the astronaut’s legs and feet. These parts have different functions(功能), from keeping O2 within the spacesuit to protecting from being hit.
Under the spacesuit, astronauts wear a set of cooling equipment. Tubes (管子) are put into this tight-fitting piece of clothing that covers the whole body except for the head, hands and feet.
Water moves through these tubes to keep the astronaut cool during the spacewalk. On the back of the spacesuit is a backpack. This backpack provides the O2 that astronauts breathe during a spacewalk. It also takes CO2 away. The backpack also provides electricity for the suit. A fan moves the O2 through the spacesuit and life support systems, and a water tank holds the cooling water that moves through the cooling device.
Another device called the Simplified Aid for Extravehicular Activity Rescue, or SAFER is necessary. If an astronaut became separated from the space station, he or she could use SAFER to fly back.
1.What does a spacesuit provide according to the passage?
A. CO2. B. Food. C. Radiation. D. Electricity.
2.What can we learn from the passage?
A. A small object hurts a little to astronauts in space.
B. SAFER helps astronauts return to the space station.
C. A spacesuit is just a kind of clothes to wear in space.
D. An astronauts needs to wear the spacesuit all the time.
3.Which question can be answered in Paragraph 2&3?
A. What are the parts of a spacesuit?
B. What do astronauts wear in space?
C. Why do temperatures change a lot?
D. Why do astronauts need spacesuits?
九年级英语阅读单选中等难度题查看答案及解析
We all like Luch as she is always thinking _____of others than herself.
A. less B. much more C. much D. better
九年级英语单项填空中等难度题查看答案及解析
—What do you think of the house?
—It is much more beautiful than________.
A. we B. us C. ours D. ourselves
九年级英语单项填空困难题查看答案及解析
The World Future is set up by a group of people from more than 100 countries who are interested in how modern technology is making our life better.
They think the things that we will be able to do in the future should help us live better in many ways, at home and at work, in our own country and around the world. Here are just two of them.
People live to 120 years old and use new technologies to help them when they go blind(盲), deaf(聋) or have other problems. The number of people over a hundred years old would increase. By 2050 people think that 100 million workers will be able to work at home for companies in a different country by using the Internet.
The new technology of “nanotechnology”, very small robots or machines, will make all the things smaller and lighter. Very, very small machines could take away rubbish, make things in factories, and help people take away fat in their bodies. By 2020 people will probably be able to wear these small machines that look like watches. They will give us lots of information about our bodies and help keep us healthy.
1.How many countries are members of the World Future from?
____________
2.What is the World Future interested in?
____________
3.What can people do when they are blind, deaf or have other problems?
____________
4.Will the workers be able to work for companies far away?
____________
5.When will people probably be able to wear the machines like watches?
____________
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The English test is __________ easier than we expected (预料).
A. more B. much more
C. very D. much
九年级英语单选题中等难度题查看答案及解析
2019—nCoV (2019新型冠状病毒)comes this winter. It is much more serious than the common flu. What can we do to keep safe?
① Buy medicine as our friends tell us.
② Wash our hands often with soap and water.
③ Cover your mouth and nose with a tissue when you cough.
④ Learn how to put it on, take it off and throw it away correctly when you wear a mask.
⑤ Try to get together with your family and friends.
A.①④⑤ B.②③⑤ C.②③④
九年级英语单选题简单题查看答案及解析
We are glad to see that our city is developing these years than ever before.
A、 much more quickly B、 quickly
C、 much quicker D、 most quickly
九年级英语单项填空简单题查看答案及解析
The price of the shoes ________than before.
A. is more expensive
B. is much higher
C. is much lower
九年级英语单项填空中等难度题查看答案及解析
The number of the students in our school _____ than that in theirs.
A. is much more B. are much more C. is much larger D. are much larger
九年级英语单项填空中等难度题查看答案及解析
The temperature now is much higher than______of 100 years ago because of more and more greenhouse gas.
A.this B.that C.it D.one
九年级英语单项填空中等难度题查看答案及解析