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【单选题】
正、反两个方向运动都是依靠液压油实现的活塞式液压缸,称为( )液压缸。A.
杆活塞式
B.
杆活塞
C.
双作用活塞式
D.
单作用活塞式
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举一反三
【单选题】正确的健康概念是
A.
无病就是健康
B.
没有疾病和虚弱
C.
有健康的躯体和正常的智商
D.
身体上和精神上的完好状态
E.
身体上、精神上和社会适应的完好状态，而不仅仅是没有疾病或不虚弱
【单选题】--- He looks so tired. What’s wrong? --- Nothing serious. He just stayed up last night, ___________his papers.
A.
to prepare
B.
having prepared
C.
prepared
D.
preparing
【单选题】听力原文：M: Lately Greg has been wearing his new leather jacket and he looks so cool. W: Certainly a 180-degree change from his previous style. I almost didn't recognize him. Q: What does the woman mean? ...
A.
Greg used to be so informal in his dress.
B.
Greg used to be very formal in his dress.
C.
Greg is normally not very conscious of his style.
D.
Greg spent 180 dollars on his new leather jacket.
【单选题】WH0 给健康下的定义是
A.
无病就是健康;
B.
身体各器官结构完好，功能正常
C.
身体强壮，精神饱满;
D.
没有疾病，身体又不虚弱
E.
身体上、精神上、社会适应上的完好状态，而不仅仅是没有疾病和虚弱
【单选题】Please read the _____ on the bottle of the medicine carefully and pay attention to the amount and the time to take the medicine．
A.
explanations
B.
instructions
C.
introductions
D.
descriptions
【单选题】—Please keep it secret between you and me. —He's ______ known the truth because he looks so unhappy. [ ]
A.
possibly
B.
probably
C.
fairly
D.
very much
【单选题】Professor Smith promised to look()my paper, that is, to read it carefully before the defense.
A.
after
B.
over
C.
into
【单选题】古人书写信件用的木板,称为“牍”;为了保密,用另一块木板覆盖在上面,覆盖在牍上面的木板,称为“( )”;在检上书写收件人的姓名、地址,称为" 署";用绳子将牍和检一并捆扎、再打上结,称为"缄",缄是封的意思;为了保密,在绳结处用泥封住,上面加盖印章作为凭记,称为“封泥”。
A.
标
B.
检
C.
查
D.
验
【单选题】正确的健康概念是:
A.
身体上、精神上和社会适应上的完好状态,而不仅仅是没有疾病和虚弱
B.
身体上、精神上的完好状态
C.
无病就是健康
D.
没有疾病和虚弱
E.
有健康的躯体和正常的智商
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