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【单选题】
有机物 ①CH 2 OH(CHOH) 4 CHO、②CH 3 CH 2 CH 2 OH、③CH 2 ＝CH-CH 2 OH、④CH 2 ＝CH-COOCH 3 、⑤ CH 2 ＝CH-COOH中，既能发生加成反应和酯化反应，又能发生氧化反应的是 [ ]A.
③⑤
B.
①③⑤
C.
②④
D.
①③
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举一反三
【简答题】From the very moment when men apply for heir first job, they are tested constantly by ______.
【单选题】When several graduates apply for the same job, ______ is often given to whoever is better qualified for it.
A.
superiority
B.
privilege
C.
majority
D.
priority
【单选题】When several people apply for the same job,______ is usually given to whoever has better qualifications.
A.
superiority
B.
inferiority
C.
priority
D.
minority
【简答题】When I graduate, I might apply to graduate school or getting a job.
【简答题】(C) When I decided to apply for a summer job, I was a freshman. After several attempts（尝试）, I got an interview with Dave Hensley, a manager in the s department at Cedar Point Amusement Park. I was...
【单选题】能增强磺胺药和多种抗生素抗菌活性的一类药物,称为抗菌增效剂。属于动物专用品种的磺胺增效剂是( )。
A.
磺胺二甲嘧啶
B.
磺胺间甲氧嘧啶
C.
磺胺对甲氧嘧啶
D.
二甲氧苄啶
E.
磺胺嘧啶
【单选题】能增强磺胺药和多种抗生素抗菌活性的一类药物,称为抗菌增效剂。属于动物专用品种的磺胺增效剂是( )。
A.
磺胺二甲嘧啶
B.
磺胺间甲氧嘧啶
C.
磺胺对甲氧嘧啶
D.
二甲氧苄啶
【单选题】— Why do you want to apply for the position as a history teacher? — This is the job that I ______. [ ]
A.
looked for
B.
had looked for
C.
will look for
D.
have been looking for
【简答题】When searching a job, one should apply directly to the person______.
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