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【判断题】
风险被定义为潜在事故的 严重度 和发生的可能性 的乘积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】They ______ English lessons on Friday. [ ]
A.
doesn't has
B.
doesn't have
C.
don't have
D.
aren't have
【单选题】听力原文：W: How are your piano lessons going? M: Very well, mum. I find the lessons worth the time. What do we know about the man?
A.
He does not like playing the piano.
B.
He thinks the music lessons are useful.
C.
He does not like the music lessons.
【单选题】In the text of Hidden Lessons, the author is astonished at how children in urban settings are taught to see nature as dangerous, or as a nuisance.
A.
True
B.
False
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