诊断颅底骨折最确切的依据是（） A.头面部外伤史 B.脑脊液鼻漏 C.头颅X线摄片示

孟子认为，人的本性是善的，万物皆备于我心，这在个体身心发展的动因问题上，是典型的（）的代表。

句型转换。

     按要求完成下列句子,每空一词。

1. Yu Ting is good at jumping. (改为同义句)

     Yu Ting _____ _____ _____ the long jump and the high jump.

2.  She is going to take part in the high jump and the long jump. (改为同义句)

     She _____ take part in the high jump and the long jump.

3.  We won't go for a picnic this Sunday because we will have a test. (对画线部分提问)

     _____ _____ you go for a picnic this Sunday?

4.  There will be more roads in the future. (改为否定句)  

     There _____ _____ more roads in the future.

5.  Maybe you are right. (改为同义句)  

     You _____ _____ right.

阅读理解。

     When Bill is very young, he loves pictures. His mother often draws some for him on old pieces of

paper. She is very bad at drawing, but Bill likes her pictures and always wants more. 

     Then, when he is a little older, Bill's mother gives him some pencils and a drawing book, and he

begins drawing pictures, too. But they are never good. When Bill is five years old, his mother gives him a

small blackboard and some chalk (粉笔). He likes those very much. One day he is trying to draw a

picture of his father on the blackboard. He draws lines (线条) and rubs (擦) them out, draws more and

rubs those out too for ten minutes, but when he looks at his picture, he is not happy.

      "Well," he says at last (最后) to his mother, "I'll put a tail (尾巴) on it and make it a monkey (猴子)."

1. Bill _____ when he is very young. 

A. often wants his mother to draw pictures for him 

B. loves watching TV very much 

C. likes old pieces of paper very much 

D. always wants his mother to buy pictures for him

2. When he is a little older, his mother gives him _____ and let him begin drawing pictures. 

A. some paper and ink (墨水)    

B. a book and some pens 

C. some pencils and a drawing book  

D. a blackboard and some old paper

3. How old is he when he is trying to draw a picture of his father on the blackboard? 

A. He is five months old.        

B. He is five years old. 

C. He is fifteen years old.        

D. He is four years old.

4. Bill wants to put a tail in the picture, so _____. 

A. it looks like a duck          

B. it looks like his father 

C. it looks like himself        

D. it looks like a monkey

5. Which of the following is RIGHT? 

A. Bill's mother is good at drawing. 

B. Bill isn't bad at drawing. 

C. One day Bill wants to draw a picture of a monkey. 

D. Bill isn't happy when he looks at his picture of his father.

在控制线路中，常采用中间继电器，主要用于（）。

A.自锁用

B.线路中的保护环节

C.前后程序的联系

D.多台设备控制

按工作原理变频器分为哪些类型？按用途变频器分为哪些类型？