呈条形、类圆形或扁块状，表面黑色、灰黑色或棕黑色，体轻，质硬的药材是（） A.灵芝

材料一：日月星辰总是按照一定轨道运转；电子总是按照一定秩序排布在原子核外，绕原子核运转。

材料二：大雁冬天南飞，春天北返，青蛙冬眠春晓，南北极动物按季节换毛。

材料三：人类社会的运动要经历原始社会、奴隶社会、封建社会、资本主义社会以及社会主义和 * * 主义五种社会形态的依次更替，由低级向高级发展，社会主义终究要代替资本主义制度。

⑴三个材料分别说明了什么问题？

⑵三个材料共同反映了什么哲理？

⑶谈谈你对回答问题⑵时所得出的结论的理解。

It ______ me half an hour to reach the top of the mountain.   [ ]

A. spent  

B. cost  

C. took  

D. paid

选出与划线部分意思相近的选项。

1. —What time is it now, please?

            — Let me see. Oh, it’s three fifty-five.   

A. fifty-five past three          

B. fifty-five to two          

C. five to three              

D. five to four

2. It’s time to have lunch.      

A. for lunch                

B. for to have lunch    

C. to lunch                

D. for the lunch

3. —Thank you.

           — That's all right.    

A. OK        

B. All right    

C. You’re right    

D. Your are welcome.

4. I have no watch.

A. do have not              

B. don’t have a          

C. not have a              

D. don’t have

5. Thank you very much.

A. a lot                    

B. a little        

C. all the same              

D. at all    

6. This dress is cheap. I’ll take it.       

A. buy        

B. give          

C. get        

D. have

7. —What can I do for you?  

           — I'd like some rice.                

A. like        

B. buy          

C. want            

D. take     

8. He is from England.   

A. from      

B. comes from    

C. come from      

D. goes to     

9. Nice to meet you.    

A. look at    

B. see          

C. look after        

D. find

10. Nice to meet you. See you later.

A. Thank you    

B. Sorry      

C. Good            

D. Bye

—This digital camera is really cheap!

—The ______ the better. I’m short of money, you see.  [ ]

A. cheap  

B. cheaper  

C. expensive  

D. more expensive

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