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【简答题】
( 2019· 全国高三专题练习)用 NA 表示加德罗常数的值,则下列叙述正确的是 A .常温常压下, 46g 有机物 C 2 H 6 0 中含有极性键的数目一定为 7N A B .标准状况下, 22.4L 四氯化碳中所含有的共价键数目一定为 4N A C .常温常压下, 14g 乙烯和丙烯的混合气体中含有的原子总数一定为 3N A D .标准状况下, 22.4L 甲烷与 22.4L 氯气在光照时充分反应,生成的 CH 3 Cl 分子数一定为 N A
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【单选题】病人,女性59岁,胰腺癌根治术后第六天体温39.1摄氏度,脉搏106次,诉腹痛查体右上腹压痛反跳痛,肌紧张,T管引流量突然减少,并见腹壁伤口处溢出胆汁样液体该病人可能发生了
A.
出血
B.
胰瘘
C.
感染
D.
胆瘘
E.
引流管脱落
【单选题】听力原文：W: Would you like another cup of tea or coffee? M: No, thanks. I'd like something to eat. What would he like?
A.
A cup of tea.
B.
A cup of coffee.
C.
Something to eat.
【单选题】The process of calculating what dollars received in the future are worth today is called _________
A.
calculating the yield to maturity.
B.
discounting the future.
C.
compounding the future.
D.
compounding the present.
【单选题】Dollars received in the future are worth _________ than dollars received today. The process of calculating what dollars received in the future are worth today is called _________
A.
more; discounting.
B.
less; discounting.
C.
more; inflating.
D.
less; inflating.
【简答题】A great deal of ( ) damage was done to the engine. He received a million dollars in ( ) damages after the car accident.
【单选题】Dollars received in the future are worth ________ than dollars received today. The process of calculating what dollars received in the future are worth today is called ________.
A.
more; discounting
B.
less; inflating
C.
less; discounting
D.
more; inflating
【判断题】In 2016 alone, over 192 American synthetic-biology firms received approximately 828 million dollars in private investments. In 2017, 50 American synthetic-biology companies secured over 3.7 billion do...
A.
正确
B.
错误
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