-----______ there any living things on other ...

-----______ there any living things on other planets ?

-----I have no ideas. Maybe we can know more about that in the future.

A.Is　　　　 B. Are　　　 C. Has　　　 D. Have

九年级英语单项填空简单题查看答案及解析

-----______ there any living things on other planets ?

-----I have no ideas. Maybe we can know more about that in the future.

A.Is　　 　 B. Are　 　 C. Has　 　 D. Have

九年级英语单项填空简单题查看答案及解析

______ there any living things on other planets？

I have no ideas．Maybe we can know more about that in the future．（　 ）

A．Is 　　　　　　　　　　 B．Are

C．Has 　　　　　　　　　 D．Have

九年级英语单项填空中等难度题查看答案及解析

— I'm not sure ________ there are living things on other planets or not.

— Even scientists aren't sure about it.

A. whether　　 B. where　　 C. why　　 D. that

九年级英语单选题中等难度题查看答案及解析

—I’m not sure ______there are living things on other planets or not .

—Even scientists aren’t sure about it.

A．where　　　 B. why　　 C. what　　 D. whether

九年级英语单项填空简单题查看答案及解析

---I’m not sure _____there are living things on other planets or not.

---_______.

A. whether, Me too.　　 B. if, Me neither

C. whether, Me neither　　 D. if, Me too

九年级英语单项填空中等难度题查看答案及解析

There are no __________ things on the moon.

A. living　　 B. alive　　 C. any　　 D. some

九年级英语单选题中等难度题查看答案及解析

We live on Earth. 1. Think about this, what if we lived on the other planet? Several years ago, many people believed we could live on Mars. 2. Let’s compare them and think about which planet is more suitable to live on.

The temperature on the surface of Mars is -73℃—20℃. 20℃ is suitable for humans, and -73℃ is near the average temperature of the Antarctic (南极), 3. And we have made a real trip to Mars. It would take 6 months to fly to Mars by spaceship. However, 4. Of course, humans can live through this by living in buildings, where plants could be grown and used to produce oxygen.

Scientists said that Kepler-452b is an Earth-like planet. Because it is only about 1.5 times the diameter of Earth, circling a star very much like our own Sun Although we don’t know if we can live there, it lies on the right distance where water could exist (存在). 5. But it is too far from us. Using present technology, it would take 25.8 million years to get there. So far, we’ve no hope of getting there.

A. so temperature isn’t a problem on Mars.

B. But until recently, a planet- Kepler452 b has been found by NASA (美国家航空航天局).

C. And water is important to lives on Earth.

D. But our Earth is becoming more and more crowded and polluted.

E. Mars is made up of 95% carbon dioxide, which is not suitable to humans.

九年级英语补全短文5选5中等难度题查看答案及解析

Whether there are any aliens（外星人）in outer space or other planets is still a ________.

A.story B.record C.challenge D.mystery

九年级英语单选题中等难度题查看答案及解析

根据短文内容，从下面方框中选择适当的选项补全短文。

Every living thing on our planet depends on another for survival (生存). 1. and influence each other and the environments in which they live in. Humans, of course, are a part of this web of life and we depend on it just like everything else does. 2. because they’re needed in order to help crops grow and fungi (真菌) are needed in order to keep the soil healthy. And from the natural world we get the fresh water that we drink and the medicine that we take when we’re ill and we get some pretty amazing views as well.

Now losing one species, that might not seem like a lot. 3. If something happens to one species, then it weakens the others because there’ s a knock on effect (连锁效应). Imagine if you will, like a house, and someone takes a brick out of the house. It leaves the wall pretty weak. 4. So that’s why nature’s crisis is one for humans too.

A. If more bricks were to disappear, the whole thing would come falling down.

B. Around the world, different species (物种) live with each other,

C. Plants produce the oxygen we breathe and bees and other pollinators (传粉者),

D. But because everything is so connected, actually, it is a big deal.

九年级英语补全短文4选4中等难度题查看答案及解析