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【判断题】
由于游客突发疾病造成的误机事故属于非责任事故。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】--- I’m very tired these days. --- Why not ______ music? You will feel ______.
A.
listen to; relaxed
B.
listening to; relaxing
C.
listening to; relax
D.
listen to; not relax
【单选题】听力原文：M: Hello, is that Jane? W: Speaking. M: Hi, Jane, this is Chris here. Listen, I'm in real trouble. I'm in the middle of an assignment and my computer's crashed! W: Oh, no! Bad luck! M: Yeah, I ca...
A.
He lost all his data in his work.
B.
He can't find his data in the computer.
C.
He can't find the phone number of a company.
D.
His computer is crashed in the middle of his work.
【简答题】在焊缝横截面中，从焊缝正面到焊缝背面的距离叫()。 A.焊缝熔深 B.焊缝余高 C.焊缝计算厚度 D.焊缝厚度
【简答题】实验室校正PH剂一般需3种缓冲液,即PH为4.00、6.86、9.18。测量酸性溶液时先用正 校正定位,然后用 的调节斜率,测量碱性溶液时先用 校正定位,然后用 的调节斜率。
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