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【单选题】
如果客人还是用入住时的刷信用卡方式结账,应该()A.
不需要刷卡了，因为已经刷过了
B.
用现金
C.
挂账
D.
重新刷卡，从预授权中扣除
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举一反三
【单选题】Two equal charges of magnitude + 1 C are separated by a distance of 1 km. What is the force acting between these two charges?
A.
9 N
B.
90 N
C.
900 N
D.
9000 N
【单选题】Two charged objects are separated by a distance d. The first charge is larger in magnitude than the second charge.
A.
The first charge exerts a larger force on the second charge.
B.
The second charge exerts a larger force on the first charge.
C.
The charges exert forces on each other equal in magnitude and opposite in direction.
D.
The charges exert forces on each other equal in magnitude and pointing in the same direction.
【判断题】某企业购入一批材料,价款50 OOO元,其中40 000元以银行存款支付,10 000元尚未支付,该笔业务的发生一方面引起资产增加50 000元,另一方面引起负债增加10 000元。
A.
正确
B.
错误
【判断题】Newton’s Third Law is that when two objects interact, the forces are always equal in magnitude, opposite in direction, and applied on them, not one only.
A.
正确
B.
错误
【单选题】If the magnitude of the sum of two vectors is less than the magnitude of either vector, then:
A.
the scalar product of the vectors must be negative
B.
the scalar product of the vectors must be positive
C.
the vectors must be parallel and in opposite directions
D.
the vectors must be parallel and in the same direction
E.
none of the above
【简答题】Internet地址有两种表示形式：IP地址和（ ）
【单选题】工程量计算规范中规定,()是沟槽,()是基坑,超出上述范围则为一般土方。
A.
底宽≤7m且底长≤3倍底宽,底长≤3倍底宽且底面积≤150㎡
B.
底宽≤7m且底长>3倍底宽,底长≤3倍底宽且底面积≤150㎡
C.
底宽≤7m且底长>3倍底宽,底长≤3倍底宽且底面积>150㎡
D.
底宽≤7m且底长≤3倍底宽,底长>3倍底宽且底面积≤150㎡
【简答题】某企业购入一批材料，价款50 000元，其中40 000元以银行存款支付，10 000元尚未支付，该笔业务的发生一方面引起资产增加50 000元，另一方面引起负债增加l0 000元。（ ）
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