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【单选题】
一做匀变速直线运动的质点，其位移随时间变化的关系式为x=4t+2t²，x与t的单位分别是秒，则质点的初速度和加速度分别为（）A.
4m/s和2m/s²
B.
0和4m/s²
C.
4m/s和4m/s²
D.
4m/s和0
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举一反三
【单选题】— W ould you mind my smoking here? — ______.
A.
Yes, never mind
B.
Yes, you’d better not
C.
Yes, of course not
【单选题】----How _____ are the apples? ---5 yuan. W ould you like ______?
A.
many; some
B.
much; any
C.
much; some
D.
many; any
【多选题】Which of the following sentence c ould express the function of the thesis statement?
A.
The thesis statement keeps you to the subject.
B.
The thesis statement can show you how to develop your paper according to what method and in how many divisions-making it easier to write.
C.
The thesis statement can arouse a feeling of anticipation in the reader.
D.
The thesis statement can provoke the reader’s interests on the paper.
【单选题】— C ould I have your name please? — _________ .
A.
Oh, no
B.
You’re polite
C.
Call me Mary
D.
It’s kind of you
【单选题】ould hardly 21 her first few weeks. Hearing her coughing
A.
use
B.
survive
C.
save
D.
waste
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