题目内容：
— When do we have to pay the bill?—____ December 30.
选择一项：
A.
By
B.
In
C.
During
参考答案：
选择题：— When do we have to pay the bill?
- 题目分类：国家开放大学管理英语3.
- 题目类型：选择题
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—____ December 30.
选择一项：
A.
By
B.
In
C.
During
—____ December 30.
选择一项：
A.
By
B.
In
C.
During
设D为x+y≤1,则∫∫D1/1-x-ydxdy=()
设D为x+y≤1,则∫∫D1/1-x-ydxdy=()A.0B.πC.2πD.4π
— Is it possible for you to expand business there?
— Is it possible for you to expand business there?— _____________选择一项：A.I like i
教师“教”的作用,其实并不在于给儿童一个结果,而在于为儿童提供( )A. 学习环境B. 游戏环境C.
教师“教”的作用,其实并不在于给儿童一个结果,而在于为儿童提供( )A. 学习环境B. 游戏环境C. 操作环境D. 知识环境
________是判断岩性、岩体结构的综合指标。
________是判断岩性、岩体结构的综合指标。
15. Client: Hello. May I speak to Mr. Turner?Secre
15. Client: Hello. May I speak to Mr. Turner?Secretary:_______(3分)A. Hello. Than