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【多选题】
截肢术后血管的处理包括()A.
粗大的血管必须双重结扎
B.
动脉和静脉要分开结扎
C.
结扎后要彻底清理伤口并防止感染
D.
术后不必引流
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举一反三
【单选题】What tense should be used to report what was done in experiments?
A.
The present tense.
B.
The past tense.
C.
The future tense.
D.
The perfect tense.
【单选题】When foreign students leave America, they will bring American values back to their home countries.
A.
A
B.
B
C.
C
D.
D
E.
E
F.
F
G.
G
H.
H
I.
I
【单选题】What tense should be mentioned in a survey report?
A.
present tenses
B.
past tenses
C.
future tenses
D.
perfect tenses
【单选题】If you were writing the literature review, and you had a sentence indicating that the statement a scholar makes continues to be true, what tense should you use in the sentence?
A.
Simple present
B.
Future tense
C.
Present perfect
D.
Simple past
【单选题】What tense should be used when findings are stated in the abstract?
A.
simple present tense
B.
simple past tense
C.
present perfect tense
D.
present continuous tense
【单选题】妊娠中期进行产前检查的正常间隔时间是 : ( )
A.
每周 1 次
B.
每 2 周 1 次
C.
每 3 周 1 次
D.
每 4 周 1 次
E.
每 5 周 1 次
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