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【单选题】
It can be inferred from the passage that, in the course of a heating season, the heatingcapacity of h heat pump is greatest when______A.
heating is least essential
B.
electricity rates are lowest
C.
its compressor runs the fastest
D.
outdoor temperatures hold steady
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反馈参考答案：
举一反三
【单选题】The teacher asked a very difficult question. It was Ted who finally _____ a good answer.
A.
came up with
B.
had raised
C.
went through with
D.
put up with
【简答题】将句子改写为问句。 You can answer the phones. ________________________
【简答题】In an American classroom, a Chinese girl was asked to answer a question. She stood up and smiled, without any sound. The American teacher looked at himself and didn’t see anything funny. So he ...
【简答题】英译汉: She would rather answer phones than type.
【多选题】关于装配图上的零件序号编写，下面哪一项是错误的？
A.
零件指引线可以多次弯折，以避开视图投影或其他标注。
B.
零件序号编写应横平竖直，按顺时针或逆时针顺序排列。
C.
零件序号编写应比图中尺寸数字大一号或两号。
D.
一组紧固件或装配关系清楚的零件组可采用公共指引线。
E.
为了排列美观清晰，指引线尽可能沿45度或135度方向画出。
F.
各指引线不允许相交。
G.
指引线引出端只能是箭头。
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