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【单选题】
下列有用放大镜成像的说法中，正确的是（ ）A.
放大镜只能成放大像
B.
放大镜不可能成倒立的像
C.
放大镜不可能成缩小的像
D.
放大镜既可以成虚像，又可以成实像
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【单选题】听力原文：M: If I were you, I would study for four hours every night in order to improve my English. W：Well, you see, I haven't got that much time to spare. Q: What do we know about file woman? (3)
A.
She can't afford to play for four hours a day.
B.
She finds it easy to improve her English.
C.
She is rejecting the man's advice.
D.
She will spare no efforts to improve her English.
【简答题】本任务采用锯片铣刀进行工件切断的铣削加工,铣刀的直径为100mm,主轴转速n=37.5r/min,刀具的齿数z=30,铣刀宽度B=3mm。请计算切削速度______m/min
【简答题】茶树分为乔木或乔木形态的高大茶树,( ),具有良好的持嫩性,芽叶品质优异。
【单选题】听力原文：Do you mind if I join you in the lab? (A) No, sorry, that's not mine. (B) No, I don't mind at all. (C) I joined the gym last week. (2)
A.
B.
C.
【单选题】听力原文：W: I turned my application in on Friday evening. M: If I were you, I would have done it sooner. The job pays very well. Q: What does the man think about the application? (18)
A.
The application should be well -written.
B.
The application should have been sent as soon as possible.
C.
The application will certainly bring him great profit.
D.
The application can help him get that good job.
【单选题】Tom's mother asked me ____. [ ]
A.
if I was in Grade One
B.
were you in Grade One
C.
if I am in Grade One
D.
that you in Grade One
【单选题】I ______riding a motorbike in this weather if I were you.
A.
don't risk
B.
wouldn't risk
C.
didn’t risk
D.
won't risk
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