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【多选题】
影响汽车燃油经济性的因素包括?A.
发动机结构
B.
发动机种类
C.
发动机负荷率
D.
汽车总质量
E.
传动系效率
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举一反三
【单选题】—Our son has picked up some bad habits recently, and I am really worried about it. — .
A.
Yes, they have some bad habits.
B.
Cheer up. I believe he will overcome it.
C.
Well, he likes picking things up when he is out.
【简答题】简述汽车防爆膜的功能,试述防爆膜的贴膜步骤 ?
【单选题】“小时候我的偶像是徐悲鸿,希望用我的小画笔在画纸上画美好的祖国。可长大后我成了一名清洁工,我用扫帚这支大面笔在城市的大画布上谱写美好未来。”对于梦想,下列认识正确的有 1实现梦想,需要立志 2梦想与中国梦密不可分 3实现理想是很困难的事情 4树立了理想就不能对理想做任何变动
A.
①④
B.
②③
C.
③④
D.
①②
【单选题】Look! The two women_____some tea leaves. A. pick up B.picked up C.are picking up D.have picked up
A.
pick up
B.
picked up
C.
are picking up
D.
have picked up
【单选题】He_____ some German while he was away on a business trip in Berlin.
A.
picked out
B.
picked up
C.
gave up
D.
gave out
【单选题】When the old man saw some litter on the ground, he quickly .
A.
picked it up
B.
picked up it
C.
picked them up
D.
picked up them.
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