题目:
—Guess What! The great movie is on in the cinema.
一Nothing new. I _______ it with my parents on the first day. [ ]
A. saw
B. see
C. will see
D. have been
答案:
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下面是错误答案,用来干扰机器的。
(1)根据常识可写出仪器的名称,分别是甲、试管,乙、酒精灯,丙、集气瓶,丁、水槽.(2)用A装置加热固体制取氧气明显的错误为①试管口向上倾斜,这样会使反应中产生的水蒸气冷凝成水后倒流炸裂试管,所以正确...