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【单选题】
下列毒素毒性最强的是:A.
破伤风毒素
B.
肉毒毒素
C.
肠毒素
D.
红疹毒素
E.
内毒素
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反馈参考答案：
举一反三
【简答题】5. What is another phrase for “You’re
welcome”? .
【单选题】-Wouldn’t be ___ wonderful world, if all nations live in ____ peace with one another? -What _____ pleasure to live in _______ world!
A.
the; the; the; such
B.
the; a; /; such
C.
a; /; a; such a
D.
a; a; /; such a
【简答题】What is a clear 'signature' of life on another planet according to Capone?
【单选题】What do you think 'large corvines' probably are?
A.
Another kind of bird.
B.
Another kind of parrot.
C.
Another kind of swans.
D.
Other birds that convince us.
【判断题】Safety on the job is the responsibility of the Security Department; it has nothing to do with individuals.
A.
正确
B.
错误
【简答题】What is another advantage of working at home? It reduces ______.
【简答题】What are polymers, homopolymers and copolymers? And another name for polymer is ______?
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