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【单选题】
在OSI的( )描述了各种不同的网络介质A.
传输层
B.
网络层
C.
数据链路层
D.
物理层
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皮皮学刷刷变学霸
举一反三
【单选题】She felt frustrated when nobody understood what she was trying to say.
A.
boring
B.
upset
C.
angry
D.
dull
【简答题】The workers felt angry that their manager was trying to escape his (responsible) __________.
【单选题】Many workers felt that they were victimized by automation.
A.
make to work hard
B.
replaced
C.
caused to suffer
D.
relieved
【单选题】She felt completely _____ during the vacation but now she has to go back to work again. [ ]
A.
in anger
B.
at once
C.
in general
D.
at ease
【单选题】下列不是肉毒梭菌特点的是( )
A.
食入含有肉毒毒素的食物致病
B.
革兰染色阳性，形成芽孢，有荚膜
C.
毒素中毒死亡率高
D.
肉毒毒素是毒性最强的物质
E.
肉毒毒素作用于胆碱能神经末梢，抑制乙酰胆碱的释放
【简答题】Harrington is enthusiastic about awarding her workers because she felt ______ for the chances given before.
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