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【简答题】
There are many interesting 1 about friendship; for example, "A friend is someone who knows all about you, but likes you anyway." This means that a friend accepts you with your faults. I think it shows the importance of 2 and tolerance in a friend. Another is "The best miooro is an old friend." This means that friends will always tell you the truth, even when you are wrong. For me, this shows the importance of 3 in a friend. Another good one is "A friend is someone who walks in when others walk out." It means that friends stay by you in good times and bad. This shows the importance of 4 in friendship.
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举一反三
【简答题】下列( )不是双层底的肋板1水密肋板2箱形肋板3舭列板4组合肋板
【多选题】在下列几种情况下,甲、乙两物体的动能相等的是( )
A.
甲的速度是乙的 2 倍,甲的质量是乙的 1/2
B.
甲的质量是乙的 2 倍,甲的速度是乙的1/2
C.
甲的质量是乙的 4 倍,甲的速度是乙的 1/2
D.
质量相同,速度的大小也相同,但甲向东运动,乙向西运动
【判断题】设函数F(x)是函数f(x)的一个原函数, 则定积分:
A.
正确
B.
错误
【单选题】钩虫幼虫对人体的损害之一是( )
A.
引起 “流火”
B.
贫血
C.
消化道症状
D.
肺部出血、水肿
【单选题】设函数f(x)= ,则定积分 ( )
A.
-3/2
B.
3
C.
14/3
D.
6
【单选题】设函数f(x)=sinx,则不定积分∫f"(x)dx等于
A.
sinx+C
B.
cosx+C
C.
-sinx+C
D.
-cosx+C
【单选题】新 生儿颅内出血者,控制惊厥首选
A.
苯巴比妥钠
B.
地西泮
C.
水合氯醛
D.
苯妥英钠
E.
异丙嗪
【单选题】钩虫幼虫对人体的损害之一是______
A.
引起“流火”
B.
贫血
C.
消化道症状
D.
异嗜症
E.
肺部出血和水肿
【单选题】钩虫的幼虫对人体的损害之一是:( )
A.
引起"流火"
B.
贫血
C.
消化道症状
D.
异嗜症
E.
肺部出血、水肿
【单选题】设函数f(x)=x, 则定积分 ( )
A.
4
B.
0
C.
2
D.
1
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