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【简答题】
Ice Bucket Challenge
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举一反三
【简答题】Many people like to travel by plane, but I don’t like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off and it is often late....
【多选题】关于矽肺的叙述哪些是正确的
A.
大于5μm的矽尘致病性强
B.
小于5μm的矽尘致病性强
C.
硅酸导致巨噬细胞自溶
D.
纤维性结节是矽肺的早期病变
E.
小于5μm的矽尘致病性弱
【单选题】I' m usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these statem...
A.
surprising
B.
illogical
C.
confusing
D.
questionable
【简答题】Many people like to travel by plane , but I don't like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off and it is often lat...
【单选题】关于硅肺的叙述，下列哪一项不正确？
A.
直径 <5μm 的硅颗粒致病性较强
B.
病变形成与巨噬细胞质膜损伤有关
C.
脱离硅尘作业后，肺部病变可停止继续发展
D.
特征性的病变为硅结节形成
E.
易合并肺结核病
【单选题】I'm usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these stateme...
A.
surprising.
B.
confusing.
C.
illogical.
D.
questionable.
【简答题】Many people like to travel by plane, but I don’t like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off (起飞) and it is often ...
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