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【单选题】
Which of the following is true about urban exploration?A.
It's only fit to the lonely person.
B.
People have to do it secretly.
C.
It mainly focused on desolate places at first.
D.
The New Yorkers learned it from the French.
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举一反三
【单选题】如图所示,在水平拉力F的作用下,使重40N的物体A匀速移动了5 m,物体A受到地面的摩擦力为5 N,不计滑轮、绳子的重力及滑轮与轴间的摩擦,拉力F做的功为( )
A.
50 J
B.
25 J
C.
100 J
D.
200 J
【简答题】如图所示的装置，在水平方向力F作用下，使重40N的物体A在水平方向上匀速移动5m，已知A受地面的摩擦力为5N，则拉力F的大小为 N，拉力F做的功为 J。（滑轮、绳重及绳之间的摩擦不计）
【单选题】--- I can’t see _______ on the blackboard. May I borrow your notebook? --- Sure. Here you are.
A.
what our teacher wrote
B.
what did our teacher write
C.
why our teacher wrote
D.
how did our teacher write
【单选题】-May I see your tickets, please? __________.
A.
No, they are mine
B.
No, you can’t
C.
Sure
D.
Yes, you can
【单选题】-Can I see your photo? -Yes,____ [ ]
A.
Thank you
B.
Give you
C.
Here you are
D.
you are here
【单选题】如图,在水平拉力 F作用下,使重40N的物体A匀速移动5m,物体A受到地面的摩擦力为5N,不计滑轮、绳子的重力及滑轮与绳子间的摩擦,拉力F做的功为
A.
50J
B.
25J
C.
100J
D.
200J
【单选题】Speaker A : Can I see your passport ? Speaker B : ________
A.
Sure . Here you are.
B.
No, you can‟t.
C.
I‟m afraid not.
【单选题】--- When can I see the doctor, madam? --- Let me see. Sorry, you ___________ your turn, so you will have to wait again.
A.
are missing
B.
have missed
C.
will miss
D.
missed
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