To remove jammed paper from the printe-考呗网题库移动版

单选题
To remove jammed paper from the printer, __________ lift up the plastic panel and pressthe button marked "Jam".

A．simplify
B．simple
C．simply
D．simplistic

参考答案C

解析:
通过选项就知道此题为选择正确词性的问题。

单选题
Even though the conference is not for another eight weeks, we have decided to beginmarking the necessarynow.

A．arranged
B．arrangements
C．arranging
D．arranges

单选题
Whoever is in charge of____________ the event must have the ability to work on multipletasks at the same time.

A．coordinating
B．intending
C．collaborating
D．depending

单选题
There are no__________differences between the two products, despite the fact that each is made from different materials.

A．observably
B．observing
C．observe
D．observable