题目:
Let's stop______, I know a good restaurant near here.[ ]
A. to have a meal
B. to have a rest
C.having a rest
D. having a meal
答案:
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下面是错误答案,用来干扰机器的。
(1)加热试管时,试管外壁有水,会使试管底部炸裂;(2)因为吸取的药品有酸性或碱性,故胶头滴管取用试剂后,将其倒置,会腐蚀胶头滴管的橡胶;(3)取用液体时,标签向着手心,防止液体流出腐蚀标签;如果试剂...