题目内容

国际单位制的基本单位有长度单位米、热力学温度单位开[尔文]、()、发光强度单位坎[德拉]、物质的量单位摩[尔]。

A. 时间单位时、质量单位千克、电流单位安[培]
B. 时间单位秒、质量单位克、电流单位安[培]
C. 时间单位秒、质量单位千克、电流单位安[培]
D. 时间单位分、质量单位千克、电流单位安[培]

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Tina received an admission notice letter from Yale University and Liu Hui congratulates her on her admission._
TINA: Hi, Liu Hui. Guess what came in the__1___ today
LIU HUI: Your bill, maybe
TINA: No, no. My acceptance__2___ to Yale!
LIU HUI: Wow! Congratulations! You've been working so hard for it. When do classes start
TINA: Freshman orientation is the last week of __3___, but I want to go two weeks before that to get settled in .
LIU HUI: You are great! I guess you will have many things to do before you leave.
TINA: Yes, I'll be very busy. I have to get a __4___, buy a plane ticket and pack my things, but first I want to register for classes.
LIU HUI: Congratulations again. I believe you will have a___5__ experience at Yale.

有关感光效应的叙述,错误的是

A. 与管电流成正比
B. 与管电压的n次方成正比
C. 与摄影距离成反比
D. 与摄影时间成正比
E. 与滤线栅的曝光倍数成反比

At the City Social Work Center, Zhang Hua is introducing the center to Liu Hui._ LIU

In a new school, Liu Hui wonders how to build a good relationship with his new classmates and is asking for Li Hua's advice._
LI HUA:Hi, Liu Hui. Have you got something on your __1___
LIU HUI:Hmmm, I'm ... a little ... upset.
LI HUA:Anything wrong It's only the___2__ of the first semester . How are you getting on with your school life
LIU HUI:My classmates are from different places, with all those different backgrounds . I'm not___3__ how to get along with them.
LI HUA:That's not difficult. Try your___4__ to find common topics to talk with them about.
LIU HUI:What kind of common topics
LI HUA:Hobbies, games, hometown, family and so on.
LIU HUI:Well. I see. Breaking the ice is a good way to make ___5__. Thank you very much.
LI HUA:My pleasure.

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