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【多选题】
唐诗歌乐吟唱（ ）,为坎坷人生凌云诗才（）名作。春蚕到死丝，蜡炬成灰泪始干。其诗构思新奇，风格农丽，尤其是一些爱情诗写得缠绵悱恻，为人传唱吟诵。A.
《别亦难》
B.
C.
《别离难》
D.
《浪淘沙》
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反馈参考答案：
举一反三
【简答题】色彩三要素是指色彩的( )、( )和( )。
【简答题】Section lines of the same part should be drawn in the ( ) direction and spacing.
【单选题】In static electric field, the relationship between the direction of electric field and direction of potential gradient is ( )
A.
direction of the electric field and potential gradient in the opposite direction
B.
direction of the electric field and potential gradient in the same direction
C.
direction of the electric field and potential gradient in the perpendicula direction
D.
none of the above
【单选题】美国十家公司在电视广告上的花费如下(百万美元): 72 , 63.1 , 54.7 , 54.3 , 29 , 26.9 , 25 , 23.9 , 23 , 20 。中位数为( )
A.
28.46
B.
30.20
C.
27.95
D.
28.12
【判断题】If a symmetrical removed section is located aligned with the cutting plane symbol, then the name and the projecting direction could be omitted.
A.
正确
B.
错误
【单选题】美国十家公司在电视广告上的花费如下(百万美元):72,63.1,54.7,54.3,29,26.9,25,23.9,23,20。样本方差为
A.
19.5433
B.
381.939
C.
18.5404
D.
343.745
【简答题】SECTION C (25 points) Direction: Write an English composition according to the instructions given below in Chinese 请以What is happiness to you为题，写一篇英语短文。 对于有些人而言，幸福就是和家人和朋友在一起；对于其他人而言，幸福就是获得某种成功或达到某个目标...
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