It took me some time to ____ what I had_爱下问搜题

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问题选择题

It took me some time to ____ what I had heard.

A. digest
B. swallow
C. eat
D. chew

答案

答案：A

选择题

已知函数y=（k﹣3）x²+2x+1的图象与x轴有交点，则k的取值范围是 [ ]

A．k<4

B．k≤4

C．k<4且k≠3

D．k≤4且k≠3

多项选择题

玻璃态的塑料一般采用（）方法来加工。

A、车

B、锯

C、注塑成型

D、铣