题目内容：
I am not very good _____ maths. Would you please work out the total cost of our trip?A.in
B.for
C.on
D.at
参考答案：
选择题：I am not very good _____ maths. Would you please w
- 题目分类：河南师范大学-工商企业管理-大学英语I
- 题目类型：选择题
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A.in
B.for
C.on
D.at
A.in
B.for
C.on
D.at
唯物主义
唯物主义
_____ of the figures seems correct. Would you chec
_____ of the figures seems correct. Would you check them carefully? A.Neither
自由竞争资本主义向垄断资本主义过渡的根源在于
自由竞争资本主义向垄断资本主义过渡的根源在于A A.资本积累的一般规律B B.资本有机构成不断提高C C.资本主义的基本矛盾D D.竞争的结果
14. 74LS138译码器,输出低电平有效,若输入A2A1A0=110时,输出~为 ( )(本题
14. 74LS138译码器,输出低电平有效,若输入A2A1A0=110时,输出~为 ( )(本题2.0分)A. 11101111B. 10111111C.
下面最难防范的网络攻击是____。A．计算机病毒 B．假冒 C．修改数据 D．窃听
下面最难防范的网络攻击是____。A．计算机病毒 B．假冒 C．修改数据 D．窃听