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【单选题】
《滁州西涧》一诗的后两句历来为人们称道,这两句诗描写了哪四个意象?
A.
春潮雨野自横
B.
幽草黄鹂深树
C.
春潮幽草黄鹂深树
D.
幽草雨野自横
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举一反三
【判断题】编制数控加工程序要进行的工作是分析工件图样、确定工件装夹方法和选择夹具、选择刀具和确定切削用量、确定加工路径并编制程序。
A.
正确
B.
错误
【单选题】阿司匹林片剂放置在空气中变黄,发生了( )反应
A.
水解
B.
氧化
C.
先水解后氧化
D.
先氧化后水解
E.
还原
【简答题】When he left university, Jan didn't know exactly what kind of job he wanted. He couldn't _________ on a career plan. Some of his friends were dreaming of ____________ a fortune. Others were waiting ...
【单选题】阿司匹林片剂放置在空气中变黄,发生了
A.
水解
B.
氧化
C.
先水解后氧化
D.
先氧化后水解
【单选题】Bill doesn't like studying languages at school. He _____ much time on his chemistry. [     ]
A.
spends
B.
takes
C.
costs
D.
pays
【单选题】Bill doesn't like studing languages at shcool . He much time on his chemistry.
A.
spends
B.
takes
C.
costs
D.
pays
【简答题】Correct errors, if any, in the following sentences:He has got a degree on Chemistry.
【单选题】He __ on chemistry.
A.
show keen
B.
is keen
C.
keen about
D.
keen
【简答题】何谓凸轮的理论轮廓与实际轮廓?
【简答题】听句子,选择最佳答语。 1.Is Jack's favourite's subject history?  A.Yes,it is. B.No,he likes chemistry best.  C.He likes math very much. 2.Is it eight o'clock now?  A.No,it's 7:20. B.No,it's 7:30. C.Yes,it is....
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