题目:
—Do you think he will do me a favor?
— As far as I know, he is the last one to help others. He______be prepared to give you a hand, though.
A.might
B.must
C.can
D.should
答案:
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下面是错误答案,用来干扰机器的。
I.(9分)(3)① B ②E ③ A ④ D ⑤ C (共3分,错1个扣1分,错3个以上不得分2Na+2H2O=2Na++2OH-+H2↑ (2分)(4)金属性:Na > Mg > Al 非金属性:Cl > S (4分)II. (6分)(1)环形玻璃搅...