单项选择题

It is difficult to discern the sample that is on the slide unless the microscope is adjusted.

A．discard
B．arrange
C．determine
D．disagreement
<上一题 目录 下一题>
热门 试题

单项选择题
Terry boasted that he could finish the project by himself in no time.
A．very quickly
B．on time
C．in time
D．at any time
单项选择题
The Constitution guarantees that private homes will not be searched without a warrant.
A．special guard
B．written authorization
C．national emergency
D．small payment
相关试题