10. It sounds   ( challenge ) to build a spacecraft that can travel at the speed of light.

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源： 題型：

6. (2014 江蘇泰州上學(xué)期期末，42, ★★☆) Mr Su's robot has caught a virus. He's complaining  the shop  the robot.

   A. about;about   B. about;to

   C. to;to        D. to;about

查看答案和解析>>

科目：初中英語 來源： 題型：

  Owning a robot at home is helpful at the moment. Mr. Jiang is too 1  to have any time to relax. So he o 2   a robot from a robot shop last month.

   The robot changed Mr. Jiang's life a lot. When he got up in the morning,his business suit was s 3  ironed.When he returned home from work,his flat would look as good as new. That a 4  Mr. Jiang to do whatever he liked.lt seemed that the robot could satisfy Mr. Jiang n 5  .

   Unluckily,after a few c 6  weeks,the robot started to go wrong.lt couldn’t work p 7  .When Mr.Jiang got home,he would find his home in a m 8   For example,coins,bills and private papers were s 9   all over the floor. Mr. Jiang didn't know what to do with it. Although robots can help people a lot,they can also be too much t 10  

   In the end,Mr.Jiang decided to return the robot to the robot shop.

1.   2.   3.   4.   5.  

6.   7.   8.   9.   10.  

查看答案和解析>>

科目：初中英語 來源： 題型：

4. Last night Wang Hong was  nervous  fall asleep,so she is very sleepy now.

   A. so; that      B. too;that

   C. very; that     D. too;to

查看答案和解析>>

科目：初中英語 來源： 題型：

   When we look up at the shining stars on a clear night,we sometimes can't help wondering： Is there life on other p 1   or are we really alone in the universe (宇宙) ？

   A lot of scientists have tried and are still trying to find out answers t 2   these questions. Some of them are c 3   out a programme called SETI   (對外星智能的探索) .They meet at Arecibo Observatory in Puerto Rico. There,they use a large antenna   (天線) and hope that they will make c 4   with other life forms from outer space.

   The antenna is over 300 metres wide. It looks for m 5   from the universe.If there is a life somewhere in the universe,it will probably send out some radio signals. This antenna will p 6   them up.

   People who want to take part in SETI only need a computer,because the i 7   from the antenna is on the Internet. About 2  million people have already c 8   to the site.They are looking for alien signals on their computers,but they haven’t found any y 9  .

   If someone discovers an unusual message,this will mean that h 10   are not the only intelligent creature (智能生物) in the universe. People are interested,in finding any signal from aliens.Well,we must wait and see.

1.   2.   3.   4.   5.  

6.   7.   8.   9.   10.  

查看答案和解析>>

科目：初中英語 來源： 題型：

goods;electronic;entertainment;feel like;a guide to 

1. The shopping mall is both a place for shopping and a place of.

2. Our are second to none in the world market.

3. A trained dog can act as a blind person.

4. This dictionary is also available in form.

5. He is so ill that he doesn’t  eating anything.

查看答案和解析>>

科目：初中英語 來源： 題型：

1.  can join the three-day summer program.

   A. A kid of 7 B. A boy of 14

   C. A girl of 17 D. A man of 26

2. If there is a rainstorm on 14th July,program A will start on   .

   A. Sunday   B. Monday   C. Tuesday   D. Wednesday

3. Two members and one non-member should pay  for the program.

   A. $690   B. $710   C. $730   D. $750

4. Free lunches aren’t provided because  .

   A. the lunches cost too much

   B. people have different tastes

   C. there are many restaurants

   D. they may bring lunch-boxes

5. What can we know from the passage?

   A. Youth Explorer is the name of the program.

   B. More than 15 students are in each program.

   C. We can see three kinds of animals in the program.

   D. You need to hand in an application for the program.

查看答案和解析>>

科目：初中英語 來源： 題型：

4. 我從來沒有考慮過在城里購房。

I  have never a house in town.

查看答案和解析>>

科目：初中英語 來源： 題型：

5. Fishes in the lake would die out if it was far too  (被污染的) .

查看答案和解析>>

同步練習(xí)冊答案