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【单选题】
重复上一次命令的快捷键是？A.
d
B.
f
C.
g
D.
h
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】气门组是由气门、气门座、气门导管气门弹簧、锁片组成,头部用来封闭气缸的进、排气通道,杆部主要为气门的运动导向,尾部制有凹槽_____、环形槽用来安装锁紧卡簧。
【单选题】听力原文：W How was your interview at Creston Securities? M I think it went well. I'm anxious to hear from them. Working for Creston has always been a dream of mine. W I'm sure it went well. You have so mu...
A.
Trading stocks
B.
Working overtime
C.
A job interview
D.
A new company policy
【单选题】听力原文：W: I went to the supermarket at 8:30 yesterday morning, and I didn't come back to see Bob off to school. M: I went to Bob's school at 4:20 because I had a very important appointment with his teac...
A.
8:30.
B.
8:20.
C.
4:20.
D.
4:30.
【单选题】It was because I wanted to buy a dictionary ______ I went downtown yesterday.
A.
but
B.
and
C.
why
D.
that
【简答题】气门组有气门、气门弹簧座、 气门导管 、 气门弹簧 和 锁片 等组成。
【单选题】--- Where did you go in China? --- __________.
A.
I went there by train
B.
Last year
C.
I went to Xi’an and Guilin
【单选题】听力原文：W: Hi, John. How was your vacation? M: Great! I went to New York. W: Really? Why did you decide to go there? M: Well, I went there on business. I also have a friend who lives there. She's been tr...
A.
To deal with some business on work.
B.
To go to see a friend.
C.
To visit some beautiful places.
D.
To enjoy himself.
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