题目内容

In an intensely competitive global community, each company must ______ intimate relationships with other companies.

A. establish
B. to establish
C. establishes
D. establishing

查看答案

搜索结果不匹配？点我反馈

更多问题

Customers can write a check ______ they can show picture identification.

A. as long as
B. in case
C. while
D. unless

Many retired people are hesitant to start a business of ______ because of the high risk involved.

A. them
B. theirs
C. their own
D. themselves

(2010年)若希望实现三相异步电动机的向上向下平滑调速，则应采用( )。

A. 串转子电阻调速方案
B. 串定子电阻调速方案
C. 调频调速方案
D. 变磁极对数调速方案

(2009年)模拟信号放大器是完成对输入模拟量( )。

A. 幅度的放大
B. 频率的放大
C. 幅度和频率的放大
D. 低频成分的放大