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Task 2 Summary Discuss with your peers and complete the following tips with the information you have learned in the video clip. Then prepare an oral presentation with the help of the tips. Tips 1. It is quite common to spot... 2. It is a positive effect for Chinese students, because... 3. But studying in the US isn't always easy because... if you are... 4. There is a tendency of studying in US for Chinese ... 5. Some American economists said Chinese students had... 6. Nowadays the majority of Chinese students..., which makes it possible to... 7. Some other economists hold that...and it's quite different from... 8. At the same time, the US can benefit from ...with more...
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【多选题】摩尔气体常数R的数值是:
A.
8.314 J·K -1 ·mol -1
B.
8.314 k J·K -1 ·mol -1
C.
8.314 Pa · m 3 ·K -1 ·mol -1
D.
0.008314 k J·K -1 ·mol -1
【简答题】摩尔气体常数 R=( ) J /( K · mol ),标准压力P0 =( ) kPa。
【单选题】理想气体状态方程的摩尔气体常数R的数值，是通过实验测定出来的。常数R值的大小是（）.
A.
9.15J·mol-1·K-1
B.
9.80J·mol-1·K-1
C.
8.31J·mol-1·K-1
D.
10.0J·mol-1·K-1
【简答题】对于认知和技能领域的学业成就，最常用的教学评价手段是__________和教师自编测验。
【简答题】对于认知和技能领域的学业成就，最常用的评价手段是______测验和教师自编测验。
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