题目内容

[听力原文]6-8W: Can I have breakfast in my roomM: Certainly, madam. Breakfast is served in your room from 7 o’ clock until 9. Here’ s the menu.W: I’d like to have Chinese food.M: Yes, madam. And at what time would you like itW: About eight o’ clock, I think.M: Very good, madam. And what kind of fruit juice would you likeW: I’ d like orange, please.M: Orange juice. And would you prefer tea or milkW: Tea, please.M: Thank you very much. Good night. Where does this conversation most probably take place()

A. In a restaurant.
B. In a snack-bar.
C. In a tea shop.
D. In a hotel.

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The Natchez Trace was not a road in a real sense because it was just a path used by walking or riding.

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A. 不消牦能量,不需要载体的高浓度向低浓度转移的过程
B. 不消耗能量,但需要载体的高浓度向低浓度转移的过程
C. 逆浓度差进行的消耗能量、需要载体的转移过程
D. 需要载体,但不消耗能量的由低浓度向高浓度转移的过程
E. 有竞争转运现象的被动扩散过程

To place students of different abilities together in cooperative learning groups enables them to ______.

测得利多卡因的生物半衰期为0.3465小时,则它的消除速度常数为:

A. 1
B. 1.5
C. 2
D. 2.5
E. 3

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