Now I have _________ to tell you.[ ] A.

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问题选择题

Now I have _________ to tell you.[ ]

A. something important

B. important something

C. anything important

D. important anything

答案

答案：A

选择题

--- Linda always studies from 7:00 to 10:00.

--- Yeah, she is a ________ student.

A．worried

B．hard-working

C．friendly

D．beautiful

单项选择题

生物传感器中决定传感器的功能与质量的关键元件是

A．生物敏感膜

B．热敏元件

C．光敏管

D．荧光计

E．阻抗计