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【单选题】
能在体内分解产生β氨基异丁酸的核苷酸是:
A.
CMP
B.
AMP
C.
TMP
D.
cAMP
E.
IMP
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参考答案:
举一反三
【单选题】When invited to a formal dinner party, remember to ______ something ______ to the occasion. [     ]
A.
put on; fitful
B.
dress; suitable
C.
have; fit
D.
wear; appropriate
【判断题】There he was picked up by policeman and sent back to theEnglandby local authorities.
A.
正确
B.
错误
【单选题】How did the writer finally get out of the desert?
A.
He was picked up by a car.
B.
A camel took him to the road
C.
A passer-by Bedouin helped him.
D.
His uncle and cousin found and rescued him.
【简答题】Although hehasn’t any formal qualifications, Betas _____ to do well for himself. A. managed    B. succeeded    C.arranged    D. convinced
【单选题】某白酒灌装车间设置推车式灭火器,应优先选择的是()
A.
抗溶性泡沫灭火器
B.
清水灭火器
C.
水雾灭火器
D.
碳酸氢钠干粉灭火器
【单选题】某白酒灌装车间设置推车式灭火器,应优先选择的是()
A.
抗溶性泡沬灭火器
B.
清水灭火器
C.
水雾灭火器
D.
碳酸氢钠干粉灭火器
【判断题】钻孔时,应尽可能使钻头周线与被钻孔表面垂直,以保证钻孔的精度和避免钻头折断。
A.
正确
B.
错误
【简答题】Don't be so formal when others wear casual clothes, or you will feel (embarrass)____________.
【单选题】He was picked up by a policeman. A policeman____ him.
A.
gathered
B.
collected
C.
assembled
D.
found
【判断题】放射病是由非电离辐射引起的。( )
A.
正确
B.
错误
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