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【单选题】
蜗杆头数 A 则传动效率高。A.
多
B.
少
C.
与头数无关
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反馈参考答案：
举一反三
【单选题】Where does Obama make the speech?
A.
In a military base in Iraq.
B.
In a visit to Washington.
C.
In a military base in Texas.
D.
In a visit to Baghdad.
【单选题】关于核被膜的描述,下面正确的是
A.
避免生命活动的彼此干扰
B.
保护DNA不受细胞骨架运动所产生的机械力的损伤
C.
核质之间的物质交换与信息交流
D.
在细胞有丝分裂中有规律地解体与重建
E.
上述答案均正确
【单选题】结合文本内容简要分析 ,哪一项不是作者在地坛中得到的对生命的启迪?( )
A.
地坛荒芜但并不衰败，传递出一种生生不息的生命意识。
B.
个人在时间的伟力、宇宙的浩渺面前微不足道，故应冷静乐观豁达地对待生命。
C.
地坛中万事万物都有生命的印迹，启示作者对人生应持有一种有所作为的坚定信念。
D.
和破败的地坛一样，作者觉得人生就此沉沦，死亡才是最好的选择。
【简答题】In the speech, Obama focuses on the _________ students have for their education
【单选题】What did Obama focus on in the speech?
A.
Teachers' resposibility for education
B.
Students' resposibility for their own education
C.
Govenment's resposibility for education
D.
Parents' resposibility for education
【单选题】Only when he read the newspaper _____ the US President Obama would deliver a speech in Fudan University.
A.
he knew
B.
he knows
C.
does he know
D.
did he know
【简答题】仔细阅读2：Economic inequality is the 'defining challenge of our time,' President Barack Obama declared in a speechEconomic inequality is the "defining challenge of our time," President Barack Obama declar...
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