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【单选题】
减速器的传动比i=( )A.
3
B.
＞1
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反馈参考答案：
举一反三
【简答题】物理性污染的特点为 、 、 和 。
【单选题】David studied hard before the examination, and it ______. He made an A. A. worked out
B.
marked out
C.
paid off
D.
got through
【单选题】我国现阶段公有制的主体地位,主要体现在( ) 1国有经济控制国民经济命脉 2公有资产在社会总资产中占优势 3国有经济在社会总资产中占优势 4对经济发展起主导作用
A.
①②④
B.
①②
C.
①③④
D.
③④
【简答题】物理性污染的特点,及与化学污染、生物污染相比有何不同?
【简答题】Rewrite the following sentences after the models, using “-ing participles”. She came up. She was holding a briefcase. 2. He rushed off. He forgot to take his raincoat. 3. I worked right through the se...
【单选题】The book might well have ______ had it been less expensive.
A.
worked out
B.
gone through
C.
caught on
D.
fitted in
【简答题】A．worked through B．worked at C．looked through D．passed through
【简答题】简述物理性污染的特点，及与化学污染、生物污染相比的不同。
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