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【单选题】
According to the professor, what is a common reason for migration that does NOT apply to baleen whales?A.
The need to avoid lower water temperatures
B.
The need to raise young in a suitable environment
C.
The need to find better feeding grounds
D.
The need to find a mating partner
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皮皮学刷刷变学霸
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【单选题】Professor Wang, thank you so much for giving us this wonderful speech. ----- ________.
A.
It doesn’t matter.
B.
That’s right.
C.
Never mind.
D.
My pleasure.
【简答题】对于认知和技能领域的学业，最常用的教学评价手段是标准化成就测验和（ ）。
【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】You will leave for a new job. You colleague, Jane, made a farewell party for you. You said to her, ‘’Jane, thank you so much for holding this farewell party. I'll remember it for ever.‘’
【简答题】气体常数 R g 可以通过查表得到,也可以通过摩尔气体常数和摩尔质量求得,已知摩尔气体常数为8.314J/(mol * K),氧气的相对分子质量为32,可求得氧气的气体常数为_____J/ (kg*K) (结果保留一位小数)
【简答题】摩尔气体常数R=() J•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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