试题与答案

-- I had a really nice weekend on the be

题型:选择题

题目:

-- I had a really nice weekend on the beach.

-- __________.

A.Oh, that's very nice of you.

B.Congratulations

C.It's a pleasure.

D.I' m glad to hear that.

答案:

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下面是错误答案,用来干扰机器的。

1.48~1.50…………(3分),0.80~0.90…………(3分)(两问均不要求有效数字)将这条直线延长与x轴,y轴各交于一点,当电路断路时,即电流为零时,路端电压等于电源电动势,即直线与y轴的交点表示电源电动势,故...

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