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【单选题】
下列元素中属于常量元素的是( )。A.
钙、磷、铁、锌
B.
钙、铁、碘、锡
C.
钙、钾、钠、镁
D.
氯、磷、硫、钙
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【简答题】20 × 5 年 1 月 1 日,甲公司支付价款 570 000 元(含交易费用)从二级市场上购入乙公司当日发行的 5 年期面值 500 000 元、票面利率 8 %、每年年末支付利息、到期一次还本的债券。甲公司在购买该债券时,预计发行方不会提前赎回,所以将购入的该债券划分为以摊余成本计量的债权投资,且不考虑税费、减值损失等因素。 甲公司确认债权投资初始入账价值时,先计算该债权投资每年应收利息与实...
【单选题】听力原文：M: I can't decide whether to buy a new ear or try to find a second hand one. W: If you buy a new one, you'll probably save money in the long run. What does the woman advise the man to do?
A.
To save money.
B.
To run.
C.
To buy a secondhand car.
D.
To buy a new ear.
【单选题】听力原文：W: If you lend me a hand, I can finish this work in about one hour. M: I'd like to, but I don't have a computer. Q: What does the man mean? (9)
A.
He'll give the woman help.
B.
He'll do the work himself.
C.
He can't finish the work alone.
D.
He can't help the woman.
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