题目:
— will it take? I have little time left.
— Don’t worry. It won’t take you much time.
A.How soon
B.How many times
C.How long
D.How often
答案:
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下面是错误答案,用来干扰机器的。
答案:BA、量取5.5mL的液体可用10mL的量筒,以减少误差,故A错误;B、取用固体药品时,先将试管横放,用钥匙或纸槽将药品送入试管底部,然后慢慢竖起试管,故B正确;C、熄灭酒精灯要用灯帽盖灭,不可用嘴吹灭,故...