根据《合同法》的规定，应当先履行债务的当事人，有确切证据证明对方有法律规定的中止履行

典型溃疡性结肠炎患者粪便的特点是（）

A.黏液便

B.糊状便

C.稀水样便

D.黏液脓血便

E.蛋花汤样便

海水淡化装置盐度计面板上一般不设（）。

A．蜂鸣器开关

B．试验按钮

C．电源开关

D．回流电磁阀开关

句型转换。 

1. He gets home at five in the afternoon. (就划线部分提问) 

_________ _________ _________ he _________ home in the afternoon?

2. I think Tom is at home. (否定句)  

I _________ think Tom _________ at home.

3. Now it’s five thirty. (同义句)  

Now it’s _________ _________ _________.

4. She goes to work by car.(就划线部分提问)  

_________ __________ she __________ to work?

5. Jack’s family has one shower. (就划线部分提问)  

__________ _________ __________ does Jack’s family _________?

6. club,art,want，the,to,I,join (连词成句)    

_________________________________________.

7. Mary can speak English.(改成一般疑问句，并作否定回答)    

____________________________? ____________________.

8. My father can play the guitar very well.(改成否定句)   

 _____________________________________.

9. I want to join the music club.(对画线部分提问)  

_________club do you want to_________? 

10. Linda likes music.(改成否定句) 

Linda_________ _________music.

测井及井壁取心对钻井液的要求是什么？

In June 1985, two British mountaineers Joe Simpson and Simon Yates made the first-ever climb of the 21,000-foot snow-covered Siula Grande mountain in Peru. It was an exceptionally (26) job, but nothing compared to what was to (27) . Early in the process, Simpson (28) and broke his right knee. Yates could have (29) him but managed to find a way of (30) him down the mountains on a rope in a series of difficult drops. Then Simpson fell into a crevasse and Yates eventually had no (31) but to cut the (32) , completely convinced that his friend was now (33)

In his book on the (34) , Joe Simpson wrote:

(35) I looked at the distant moraines, I know that I must at least try I would probably (36) there among those rocks. If I died, well, that wasn’t so (37) , but I wouldn’t have (38) waited for it to happen. The (39) of dying no longer affected me as it had in the crevasse at first. I now had a chance to (40) it and struggle against it.

The survival of Yates himself was (41) . That Simpson somehow found a way of (42) out of the crevasse after 12 hours and then crawled and (43) himself six miles back to camp, (44) three days and might without food or drink, would be considered as a heroic fiction. But in fact it was so (45) .

45().

A. particular

B. usual

C. true

D. interesting