题目:
What’s the speaker going to do this weekend
A.Going fishing with her fianc.
B.Being away on vacation.
C.Staying at home and doing housework.
D.Not mentioned.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:输送机自身摩擦产生的火源或外来火源,都不会引燃输送带。