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【判断题】
麻黄科( Ephedraceae )麻黄属草麻黄( Ephedra sinica ),全草(茎枝)含多种生物碱,以麻黄碱为主要有效成分。A.
正确
B.
错误
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举一反三
【单选题】Which of the following is true of dummy variables?
A.
A dummy variable always takes a value less than 1.
B.
A dummy variable always takes a value higher than 1.
C.
A dummy variable takes a value of 0 or 1.
D.
A dummy variable takes a value of 1 or 10.
【单选题】下列关于过错责任与无过错责任的说法错误的是( )。
A.
适用过错推定责任的，加害人的过错是法律推定
B.
无过错责任中加害人无需就过错与否承担举证责任
C.
法律若无特别规定，皆适用过错责任
D.
适用过错推定责任，需要由受害人对加害人的过错承担举证责任
【单选题】解热镇痛药解热作用的热点是
A.
能降低正常人体温
B.
仅能降低发热患者的体温
C.
既能降低正常人体温又能降低发热患者的体温
D.
解热作用受环境温度的影响
E.
以上都是
【单选题】If you were being assisted by an icebreaker and he sent you the single letter Q，he would be telling you（）.
A.
that he has his engines in reverse
B.
that he is shortening the distance between vessels
C.
to shorten the distance between vessels
D.
that his vessel is healthy
【简答题】Being no dummy, he quickly accepted. Not many guys shoot a cop and pocket $ 6,000 for their efforts.
【单选题】_______ , he didn’t attend the meeting.
A.
He was busy
B.
He being busy
C.
Because of busy
D.
Being busy
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