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【简答题】
哈工大（威海）3D打印创新实验室的（ ）技术被CCTV10《我爱发明》专题报道。
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举一反三
【单选题】Why can’t the man concentrate on his study?
A.
He keeps thinking of going to the movies.
B.
His classmates are taking a break.
C.
He’s been studying for too long.
【单选题】—'___________' —'We are looking for a pair of sports shoes.' [ ]
A.
What can I do for you?
B.
What do you do?
C.
Do you need help?
D.
What do you look for?
【单选题】以下说法正确的是( )
A.
若 ，则函数 在点 处取得极值；
B.
若连续函数 在 处取得极值，则 为 的驻点或不可导点
C.
若 ，则 为曲线 的拐点；
D.
若 为曲线 的拐点，则
【单选题】听力原文：Why can't the man return the shoes even if they don't fit? (8)
A.
Because they are paid in cash.
B.
Because they are high-grade goods.
C.
Because they are samples.
D.
Because they are goods on sale.
【单选题】According to the man, why can t some children do well in school examinations?
A.
They don't have proper education.
B.
They don't have enough encouragement.
C.
Their parents are not responsible.
D.
They are not good with words and numbers.
【简答题】同义句转换. 1. What do you think of the sports show? _______ do you _______ the sports show? _______ _______ the sports show? 2. How you think the weather is today? _______ your _______, how is the weathe...
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