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【判断题】
avi文件可以在Windows Media Player中播放。（ ）A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】关于纤维胃镜的术前护理错误的是
A.
检查前禁食、禁药、禁烟12小时
B.
检查前0．5小时静脉注射阿托品
C.
检查前咽喉部行麻醉
D.
检查前3天内不宜做钡餐检查
E.
向患者讲解检查目的
【单选题】I can't find my book. Perhaps I _______ it behind in the office yesterday.
A.
forgot
B.
left
C.
put
D.
set
【单选题】---I’m sorry I ______ my homework at home. --- Don’t forget ________ it to school tomorrow.
A.
forgot, to take
B.
left, to bring
C.
forgot, to bring
D.
left, to take
【单选题】You may rest ______ that we will effect shipment without delay on receipt of your letter of credit.
A.
insured
B.
ensured
C.
issued
D.
assured
【单选题】We ________ the project on time without your timely help .
A.
would not have finished
B.
will not finish
C.
would have finished
D.
will finish
【单选题】有关甲硝唑含漱液的描述错误的是( )
A.
属抗厌氧菌感染药物
B.
对牙周病致病菌有抑制作用但无杀灭作用
C.
浓度达0.25mg/L时可抑制牙周常见厌氧菌
D.
浓度达31．25mg/L时放线菌也被抑制
E.
对口腔滴虫阿米巴原虫有抑制作用
【单选题】—Why didn't you give me a ring?—Well, I meant ______ but late I forgot.
A.
telephoning
B.
to telephone
C.
having telephoned
D.
to have telephoned
【简答题】その日はパーティーありました。
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