选择题：The passage states that incom available for spendi

题目内容：

The passage states that incom available for spending in the U.S. was greater in 1955 than in 1950 . How much was it ?

A、60%
B、30%
C、33%
D、90%

参考答案：

【判断题】He isn.t necessary any longer.

分类：兰州工业学院大学英语1 题型：选择题

302. 质量指标综合指数变形为平均数指数时的权数是（）。A. q1p1 B. q0p0C. q1p0D. q0p1

分类：兰州工业学院大学英语1 题型：选择题

You______ all those calculations! We have a computer to do that sort of thing

分类：兰州工业学院大学英语1 题型：选择题

【判断题】You can begin eating only when everyone has been served.

分类：兰州工业学院大学英语1 题型：选择题

【判断题】Cheking accounts have other advantages as well.

分类：兰州工业学院大学英语1 题型：选择题