题目内容

学习完《用字母表示数》一课后，教师应该明白教学内容的重点是：

A. 不同的对象用同一个字母来表示
B. 已知的用数字来表示，未知的用字母来表示
C. 当两个量之间有关系时，可以用关系式来表示
D. 不同的对象用不同的字母来表示

查看答案

搜索结果不匹配？点我反馈

更多问题

Scholars maintain that social development can easily bring______language changes.

A. up
B. about
C. out
D. forward

It suddenly occurred to Anne that money could't______all that Bob has suffered in the past five years.

A. live up to
B. make up for
C. make out
D. live through

He took______of the manager's hospitality and did his own business during his office hours.

A. benefit
B. advantage
C. use
D. good

Whenever a big company_____a small one, the product almost always gets worse.

A. take off
B. takes off
C. takes down
D. takes out