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【单选题】
体重、身高相同的甲乙两人,分别用双手握住跨过无摩擦轻滑轮的绳子的各一端,他们从同一高度由初速为零向上爬,经过一段时间,甲相对绳子的速率是乙相对于绳子的速率的两倍,则到达顶点的情况是
A.
到达
B.
同时到达
C.
谁到达不能确定
D.
甲先到达
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参考答案:
举一反三
【单选题】听力原文: Iraqi lawmakers are expected to vote on a security agreement by Wednesday, which will keep the U. S. troops here until the end of 2011 , the parliament's speaker said yesterday. After hours of h...
A.
all parties have agreed on it.
B.
the US troops have pulled out.
C.
the cabinet has reviewed it.
D.
the lawmakers have returned from Mecca.
【多选题】应收账款周转率提高意味着企业()。
A.
流动比率提高
B.
坏账损失下降
C.
短期偿债能力增强
D.
速动比率提高
【单选题】—Which of the two dictionaries do you want? —I want_____.Please show me_____.
A.
none; another
B.
all; the other
C.
neither; the other
D.
neither; another
【单选题】听力原文:I'd like to turn our attention to a petition involving an important issue that affects a lot of us here. Univex Systems has created a petition in support of the roadway improvements that Mayor Si...
A.
Because Olivia Street is a dangerous road.
B.
Because the company is moving to Route 1604.
C.
Because the company is paying for part of it.
D.
Because the construction will improve their commute.
【单选题】The debate here will be limited in two main aspects, ______ the time available.
A.
In terms of
B.
In return for
C.
In addition to
D.
In comparison with
【单选题】Show me one _______pencil, please. [     ]
A.
a
B.
green
【单选题】Would you please show me how to start a computer? --- ____________.
A.
No, thanks
B.
Yes, please
C.
That’s very kind of you
D.
OK, let me show you
【单选题】Please show me ____ to do it.
A.
what
B.
how
C.
which
D.
when
【简答题】Debate: Can stricter gun control laws decrease the rate of crimes involving guns? Yes, because with fewer weapons, you get fewer crimes. Take a look at the crime rates of countries like the United Kin...
【单选题】以下哪一项原因不引起萎缩
A.
肾盂积水
B.
垂体功能低下
C.
四氯化碳中毒
D.
脊髓前角神经细胞坏死
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