Mr Zhang _______ his cap and sat down as

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问题选择题

Mr Zhang _______ his cap and sat down as soon as he entered the room. [ ]

A. took off

B. took out

C. took away

D. took down

答案

答案：A

选择题

函数f（x），g（x）在（m，n）上的导数分别为f'（x），g′（x），且f′（x）＜g′（x），则当m＜x＜n时，有（　　）

A．f（x）＞g（x）

B．f（x）＜g（x）

C．f（x）+g（n）＜g（x）+f（n）

D．f（x）+g（m）＜g（x）+f（m）

选择题

No man probably had a greater effect on the daily lives of most people of the USA

Henry Ford , a pioneer in automobile production.

A．as ;was

B．as; did

C．than ;was

D．than ; did