首页 > 学历类考试

题目内容（请给出正确答案）

[主观题]

Scientists have always wanted to know more about the other worlds in space. Years ago they

knew a lot about the moon. They knew how big it is and how far away it is from the earth. But they wanted to know more about it. They thought and thought. At last they found the only way to know more was to send men to the moon.

The moon is about 384 000 kilometers away from the earth. A plane can not fly to the moon because the air reaches only 240 kilometers high above the earth. Then there is no air. But something can fly even when there is no air. That is' a rocket (火箭).

Rockets can fly out into space. Rockets with men in them have already reached the moon. Some rockets without men in them have flown to other parts, much farther away from the earth than the moon in the universe. One day, rockets may be able to go to any place.

Scientists knew ______ about the moon a long time ago.

A．nothing

B．many things

C．everything

D．little

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装优题宝APP，拍照搜题省时又省心！

更多“Scientists have always wanted …”相关的问题

第1题

Only (within) the past 200 years (scientists have) found (out what) fire (is).

A.within

B.scientists have

C.out what

D.is

点击查看答案

第2题

The scientists have made an______study of the viruses that cause the disease.A．exhaustedB．

The scientists have made an______study of the viruses that cause the disease.

A．exhausted

B．exhausting

C．exhaustive

D．exhaustion

点击查看答案

第3题

Scientists have established a______between cholesterol levels and heart disease.(conne

Scientists have established a______between cholesterol levels and heart disease.（conne

ct)

点击查看答案

第4题

Up to now scientists have not found how to ______ patients of that disease.A．cureB．treatC．

Up to now scientists have not found how to ______ patients of that disease.

A．cure

B．treat

C．deal with

D．get rid of

点击查看答案

第5题

The article does not say whether the scientists' experiments with dogs have ______.A．benef

The article does not say whether the scientists' experiments with dogs have ______.

A．benefited animals other than dogs

B．served man

C．helped other dogs

D．contributed to medical knowledge

点击查看答案

第6题

The article does not mention whether the scientists' experiments with dogs have ______.A．b

The article does not mention whether the scientists' experiments with dogs have ______.

A．benefited animals other than dogs

B．served man

C．helped other dogs

D．contributed to medical knowledge

点击查看答案

第7题

（Leading) scientists are often the （kinds of person) who （have enjoyed) intellectual chall

(Leading) scientists are often the (kinds of person) who (have enjoyed) intellectual challenges (all their lives).

A．Leading

B．kinds of person

C．have enjoyed

D．all their lives

点击查看答案

第8题

With the population explosion, scientists will have to( ) new methods of increasing t

With the population explosion, scientists will have to（) new methods of increasing t

With the population explosion, scientists will have to() new methods of increasing the worlds food supply.

A.lead to

B.carry out

C.come up with

D.stick to

点击查看答案

第9题

Scientists have spent years researching into the （） of sleeping pills on the human brain .

A.affect

B.effect

C.impact

D.influence

点击查看答案

第10题

Thisisanimportantproblem_______toofewsocialscientistshaveresearched.A.whichB.thatC.intotha

This is an important problem _______ too few social scientists have researched. A. which B. that C. into that D. into which

点击查看答案

第11题

Scientists will have to___new approaches of increasing the world’s power supply.A.put up w

Scientists will have to___new approaches of increasing the world’s power supply.

A.put up with

B.catch up with

C.stand up for

D.come up with

点击查看答案

长沙图香大数据有限公司版权所有 ©2024

湘ICP备20011576号-2 营业执照

违法和不良信息举报电话：400-118-7898

举报/反馈/投诉邮箱：deng＃ujigu.com（请将＃替换成@）