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【单选题】
患者，男性，35岁。因下肢大隐静脉曲张作体格检查，让病人站立，在其大腿中部扎止血带，然后让其下蹲15次，病人诉小腿胀痛，并见大隐静脉充盈加重，说明A.
交通支瓣膜功能不全
B.
大隐静脉瓣膜功能不全
C.
小隐静脉瓣膜功能不全
D.
大隐静脉侧支循环受阻
E.
下肢深静脉不通畅
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【简答题】腺毛既属____组织、又属____组织。
【单选题】It would be wise to ____ your property against storm damage.
A.
ensure
B.
insure
C.
integrate
D.
guarantee
【简答题】It would be wise to handle this delicate problem with____________(冷静和耐心).
【单选题】As it is a very popular play, it would be wise to ___ seats in advance.
A.
buy
B.
preserve
C.
book
D.
occupy
【单选题】It is a very popular play, and it would be wise to seats in advance.
A.
have
B.
buy
C.
reserve
D.
take
【单选题】Since we can hardly conquer nature, it would be wise to stay ______ it.
A.
in harmony with
B.
out of harmony with
C.
in harmony
D.
in disharmony with
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