题目内容

Helen:__________

A. It" s a good idea.
B. What" s up？
C. You are welcome.
D. Not too bad.

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Man__________ to make sounds. 查看材料

A. used words
B. followed many things in nature
C. lifted heavy things
D. grunted like a pig

称取钢样0.500g，溶解后定量转入100mL容量瓶中，用水稀释至刻度。从中移取10.0mL试液置于50mL容量瓶，将其中的Mn²⁺氧化为MnO₄^-，用水稀至刻度，摇匀。于520nm处用2.0cm吸收池测得吸光度为0.50，试求钢样中锰的质量分数。(已知κ₅₂₀=2.3×10³L·mol^-1·cm^-1，M(Mn)=55g·mol^-1)

One type of person that is common in many countries is the one who always tries to do as little as possible and to get as much(56)return as he can. His opposite, the man who has(57)for doing more that is strictly(58)and who is ready to accept(59)is offered in return, is(60) everywhere.
Both these types are entirely different(61)thei behavior. The man who(62)is always talking about his "(63)"; he thinks that society should(64)him a pleasant, easy life. The man (who is always doing more than(65)) talks of "duties" ; he feels that the66is in debt to society.
The man who tries to do as(67)as he can is always full of(68)For instance, if he has (69)to do something, it was because he was(70)by bad luck. His opposite is never(71) busy to take ona(an)(72)piece of work. So it is(73)that if you want something(74)ina hurry, go to the busiest man whom you have(75)in.
请回答题（56）题查看材料

A. in
B. by
C. as
D. of

Passenger:__________

A. Yes， of course.
B. Not at all.
C. Absolutely not.
D. May I have this seat？