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【单选题】
原发性高血压按靶器官损伤程度分为三期，Ⅱ期高血压的特征是A.
至少有一项器官损害的表现
B.
肾衰竭
C.
视网膜动脉痉挛
D.
无器官损害的客观表现
E.
心力衰竭
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举一反三
【单选题】When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.
A.
was coming
B.
had come
C.
comes
D.
would come
【简答题】Two people sit down to play Go（围棋）. One of the players is an old man. He is now 89 years old. He has spent all of his life playing this . The other person is a young woman. She has been playing Go...
【简答题】直接渠道也是。
【单选题】A cosmologist differs from a cosmogonist in that ______.
A.
he sounds a bit old-fashioned
B.
he learns from Edgar Allen Poe
C.
he studies the origin of the whole Universe
D.
he tries to explain how the Solar System formed
【单选题】We have no choice. _______ we go or we stay, the result is the same.
A.
Once
B.
Unless
C.
Whether
D.
While
【多选题】鼠疫直接刺激和推动了中国公共卫生机构的创设和卫生行政的发展，是因为：
A.
瘟疫特别是鼠疫本身具有刺激和推动公共卫生发展的功能。
B.
西方列强势力不断以卫生防疫为理由，侵蚀中国的主权和利益。
C.
中国社会面对民族危机，在追求强国保种的过程中，将卫生视为科学、文明和进步的象征，而颇为自觉加以追求。
D.
中国社会已经普遍意识到公共卫生建设重要性和必要性。
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