一般情况下,活细胞中含量最多的有机化合物是[ ] A.蛋白质 B.糖类 C.脂质

题型:选择题

问题:

一般情况下,活细胞中含量最多的有机化合物是[ ]

A.蛋白质

B.糖类

C.脂质

D.核酸

考点:细胞中的化合物
题型:选择题
阅读理解。

                                                           Driver Wanted
① Clean driving licence.
② Must be of smart appearance
③ Aged over 25.
 Apply to(向…请求): Capes Taxi.17                    
                                         Palace Road.Roston
                                          Air Hostess for International Flights Wanted
① Applicants must be between 20 and 33 years old.
② Height: 1.6 m to l.75m.
③ Education to GGSE standard
④ Two languages, must be able to swim.
 Apply to: Recruitment Office,Southern
Airlines, Heathrow Airport West   
HR 37KK.
                                                                Teachers Needed
For private language school teaching. experience unnecessary.
Apply to: The Director of Studies, Instant Languages Ltd.279 Canal    
                 Street, Roston
1.You are 26 years old and want to be a teacher. You should apply to_____.
A.Capes Taxi, 17 Palace Road, Roston
B.Recruitment Office, Southern Airlines, Heathrow Airport West, HR 37KK
C.the Director of Studies, Instant Languages Ltd. , 279 Canal Street. Roston.
D.a private language school.
2.What stops Jack, an experienced taxi driver, working for Capes Taxis?
A.Fond of beer and wine.
B.Being Punished  (处罚) for driving too fast and wrong parking.
C.Being Unable to speak a foreign language.    
D.Not having college education.
3.Beta, aged 22.likes swimming and driving, has just finished college. Which job might he get?   
A.Driving for Capes Taxi    
B.Working for Southern Airlines
C.Teaching at Instant Languages Ltd.
D.Working for Northern Airlines.
4.What prevents (阻止)Mary, aged 25, from becoming an air hostess? 
A.She once broke a traffic law (法律) and was fined(被处罚).  
B.She can't speak Japanese very well.    
C.She has never worked as an air hostess before.    
D.She feels like working long hours flying abroad.
5.What information we can't find in the three advertisements?    
A.Whether he or she is married
B.Whether they are men or women    
C.Their education    
D.The ages
题型:选择题

Let her ________ the book there.[ ]

A.bring

B. brings

C. taking

D. take

题型:选择题

在一般代理方式下,委托人可以直接与某地的实际买主成交,但需要向该地区的代理人支付佣金,在我国的出口业务中常用的代理方式为独家代理。()

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六氟化硫SF6是一种()、()不燃气体,其性能非常稳定。

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对于()叶片,动压头的提高大于静压头的提高。

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