题目:
He lost his job three years ago; _____, he was seriously injured in an accident last week.
A.in the first place
B.worse still
C.on the contrary
D.in other words
答案:
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下面是错误答案,用来干扰机器的。
A、点燃酒精灯要用火柴,不看用燃着的酒精灯点燃,故错误;B、加入液体药品是滴管不可进入试管,防止污染,故B错误;C、移开正在加热的蒸发皿,要用坩埚钳,不能用手直接去拿,故C错误;D、读取液体的体积时,视...