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【多选题】
视频中威龙的尾翼起什么作用?
A.
行驶时降低空气阻力
B.
制动时增大空气阻力
C.
行驶时使汽车紧贴地面,行驶稳定
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参考答案:
举一反三
【判断题】发光二极管在正向电压下工作
A.
正确
B.
错误
【单选题】听力原文:W: Hello, Gary. How're you? M: Fine! And yourself ? W: Can't complain. Did you have time to look at my proposal? M: No, not really. Can we go over it now?. W: Sure. I've been trying to come up wi...
A.
It costs much more than its worth.
B.
It should be brought uptodate.
C.
It calls for immediate repairs.
D.
It can still be used for a long time.
【单选题】SQR 函数的功能是
A.
对变量进行乘方
B.
对变量取平方根
C.
对变量取绝对值
D.
对变量取差分
【判断题】白色、灰色、黑色、金色、银色,因为不具有色彩,所以称为无彩色。
A.
正确
B.
错误
【单选题】奔驰汽车车标 形似( )
A.
飞机螺旋桨
B.
齿轮
C.
展翅雄鹰
D.
汽车方向盘
【单选题】幼儿不能说出家里一共有几个人,但是能列举出家里有爸爸、妈妈、爷爷、奶奶......这说明这时的儿童( )
A.
还不能在生活中使用抽象的数学概念
B.
还没有获得数概念
C.
还不能认识抽象的事物
D.
还不能从事物的具体特征中摆脱出来
【单选题】“无为而治”体现了中国古代( )的管理思想。
A.
儒家
B.
道家
C.
法家
D.
墨家
【单选题】听力原文:W: Hello, Gary. How're you? M: Fine! And yourself? W: Can't complain. Did you have time to look at my proposal? M No, not really, Can we go over it now? W: Sure. I've been trying to come up with ...
A.
The benefits of strong business competition.
B.
A proposal to lower the cost of production.
C.
Complaints about the expense of modernization.
D.
Suggestions concerning new business strategies.
【单选题】发光二极管正向导通发光正向电压降是多少电压?
A.
2伏左右
B.
0.7伏
C.
0.3伏
D.
1伏
【多选题】Hemingway's legacy to American literature is his style: _____________, _____________, and _____________ are particularly effective in his short stories.
A.
straightforward prose
B.
spare dialogue
C.
the predilection for understatement
D.
satire
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