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【判断题】
安全技术说明书是一份关于危险化学品燃爆、毒性和环境危害以及安全使用、泄漏应急处理、主要理化参数、法律法规等方面信息的综合性文件，国际上将其称作化学品安全信息卡，简称MSDS，对于全面掌握危险化学品非常重要。A.
正确
B.
错误
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举一反三
【单选题】According to the conversation,what do we learn about Billy Collins?
A.
He has more readers than other poets.
B.
He uses refined words in his poems.
C.
His poems express deep thoughts.
D.
His poems are interesting and excellent.
【简答题】软件可维护性度量的七个质量特性是可理解性、可测试性、可修改性、可靠性、________、可使用性和效率。
【简答题】Lily: _______1_______ , Billy? Billy: I'm probably watching football on TV. Why? Lily: Our class is having a New Year party this Saturday. _____2________? Billy: Yes, 1'd love to. Thanks, Lily. Lily: ...
【单选题】what do we know about Billy?
A.
He spends most of his money on books.
B.
He is good at making money.
C.
He spends money too easily.
【单选题】Billy: Why is Messi so famous? Sandy : Because he is a great soccer player from Argentina . What are the speakers talking about?
A.
A European country.
B.
A great football player.
C.
Football.
D.
A sport.
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