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【单选题】
子入太庙，每事问。或曰：“孰谓鄹人之子知道礼乎？入太庙，每事问。”子闻之，曰: “是礼也。”文中的两处“礼”最佳为：A.
Matters of ritual; a rule of propriety
B.
the rules of propriety; a rule of propriety
C.
matters of ritual; the ritual
D.
Observing ritual propriety; the correct rite
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反馈参考答案：
举一反三
【判断题】2/10,n/60 means if the company pays within 10days, it can get 2% of discounts. If it can't get any discounts. it should pay within 60 days.
A.
正确
B.
错误
【单选题】“2/10, n/60” means the buyer can deduct() of the invoice amount if payment is made with () days of the invoice days.
A.
2%, 60
B.
2%, 10
C.
10%, 60
D.
10%, 2
【判断题】2/10, n/60 means if the company pays within 10 days, it can get 2% of discounts. If it can't get any discounts. So, it can pay unlimitedly.
A.
正确
B.
错误
【单选题】“2/10, n/60” means the buyer can deduct() of the invoice amount if payment is made with () days of the invoice days.
A.
2%, 10
B.
10%, 60
C.
2%, 60
D.
10%, 2
【判断题】2/10, n/60 means if the company pays within 10 days, it can get 2% of discounts.If it can't get any discounts. So it can pay unlimitedly.
A.
正确
B.
错误
【判断题】在确定职业发展的目标时要注意自己性格、兴趣、特长与选定职业的比配，更重要的是考察自己所处的内外环境与职业目标是否相适应，不能妄自菲薄，也不能好高骛远。()
A.
正确
B.
错误
【简答题】已知集合A={t|t=2n-1，n∈N * ，t＜60}，则集合t所有元素的和为______．
【简答题】已知图所示网络N的端电压和电流分别为 u(t)=2 cos(t-60°)+ cos(2t+45°)+ cos(3t-60°)V i(t)=10 cost+5 cos(2t-45°)A 试求：(1)此网络N对基波呈现什么性质？(2)2次谐波的输入阻抗Z 2 。(3)网络N端口电压的有效值U及网络吸收的有功功率P。
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