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【单选题】
Choose the best choice according to the cultural context. While you are talking with your American friend, she mentions that her grandmother died last year. You should say:
A.
"Oh, what a pity!"
B.
"I'm sorry to hear that."
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参考答案:
举一反三
【判断题】如果一种商品满足了一个消费者坏的欲望,说明该商品具有负效用。( )
A.
正确
B.
错误
【简答题】How much energy is wasted before it arrives to fuel a desk lamp()
【简答题】How much do energy drinks sell for?
【单选题】下列哪个韵母是前响复韵母 ( )
A.
ai
B.
ia
C.
uai
D.
ie
【判断题】如果一种商品满足了一个消费者坏的欲望,说明该商品具有负效用。
A.
正确
B.
错误
【判断题】教师的教学活动是教师进行职业道德修养的根本途径。 ( )
A.
正确
B.
错误
【单选题】教师进行道德修养的根本途径是( )。
A.
理论学习
B.
职业实践
C.
参考他人经验
D.
同事沟通
【简答题】We do not often consider how much energy goes into creating comforts like hot showers and cold beer. A more efficient refrigerator will give us the same cold beer while using less energy. A more water...
【单选题】How much energy could 1 recycled tin can save? ( )
A.
Enough to power a cell phone for 18 hours.
B.
Enough to power a TV for 3 hours.
C.
Enough to power lamp for 6 hours.
D.
Enough to power a TV for 6 hours.
【简答题】若函数 的值域是 ,则函数 的值域 是
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