Storing our clients' files electronically&nb-考呗网题库移动版

单选题 Storing our clients' files electronically will result in a moreuse of our office space.

A． efficiencies
B． efficiently
C． efficiency
D． efficient

参考答案D

解析:【答案】D。解析：句意为“把客户资料保存为电子文件会更加高效地使用我们的办公空间。”空格后面是名词，因此需要填入形容词，只有D项符合，efficient意为“有效率的，高效的”。

单选题 December sales were________low, and sales staff are encouraged to submit suggestions on how to address the problem.

A． disappointing
B． disappoint
C． disappointed
D． disappointingly

单选题 Ms.Chen thought that her idea for a new washing machine could be a profitable

A． invents
B． invent
C． inventor
D． invention

单选题 As________in the rental agreement, the apartment maintenance staff will respond to all service requests within 48 hours.

A． note
B． notes
C． noted
D． noting