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【判断题】
行列式为 0 的充分必要条件是行列式中有两行或两列元素对应成比例 .A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
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【多选题】保险与储蓄的区别和联系分别是（ ）
A.
储蓄是一种自助行为;保险是自助和他助相结合的行为;
B.
储蓄的本利给付是确定的;保险金的给付是不确定的;
C.
保险复杂，储蓄简单;
D.
保险事故在保险期间内发生即可得到补偿，储蓄余额与储蓄时间有关系
E.
保险是以投保人缴费为前提的，是对价行为;救济是单方行为;
【单选题】Jerry didn't come to the meeting. I wish he ______ to the meeting.
A.
had come
B.
came
C.
would have come
D.
did come
【简答题】Choose the correct word to complete each sentence. 1 Have you finalised the agenda/minutes for tomorrow's meeting? 2 Why do they always run/arrange meetings for Friday afternoon? It's the worst time. ...
【简答题】Choose the correct word to complete each sentence. 1 Have you finalised the agenda/minutes for tomorrow's meeting? 2 Why do they always run/arrange meetings for Friday afternoon? It's the worst time. ...
【简答题】简述保险与储蓄的区别。
【简答题】At the meeting I made some proposals, but no one seemed to be (interest)______in them.
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