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【多选题】
以下有关资金成本的说明正确的是( )。A.
边际资金成本是追加筹资时所使用的加权平均成本
B.
当企业筹集的各种长期资金同比例增加时，资金成本应保持不变
C.
当企业缩小资本规模时，无需考虑边际资金成本
D.
企业无法以某一固定的资金成本来筹措无限的资金
E.
资金成本不能评价企业经营业绩好坏
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【单选题】Both of Mrs. Watson's daughters ______ their studies abroad now, one in Germany and the other in China.
A.
are pursuing
B.
are practicing
C.
are promoting
【单选题】What did Mrs. Potts ask Mrs. Watson to buy for her?
A.
A pig’s kidney
B.
A sheep’s kidney
C.
Some meat
D.
Some cake
【单选题】下述关于主动脉瓣关闭不全的叙述中,哪一项是错误的
A.
左心室肥大，扩张
B.
右心室肥大，扩张
C.
主动脉瓣区收缩期杂音
D.
脉压差大，毛细血管搏动
E.
单纯性主动脉瓣关闭不全多见于梅毒性主动脉炎
【简答题】Both of Mrs．Watson's daughters ______ their studies abroad now, one in Germany and the other in China． 华特森太太的两个女儿都在国外求学，一个在德国，一个在中国。
【简答题】从方框中选择适当的句子完成下面的对话。 Shop assistant: Good morning! 1 . Mrs. Watson: Yes. 2 I think I wear size six. Shop assistant: The white gloves are on this side. Let's see …3 These are very nice, and they are eas...
【判断题】1对于辊底式炉,除了用于不锈钢固溶的高温热处理炉采用明火加热以外,随着中厚板行业对产品的质量要求越来越高,越来越多的热处理炉采用辐射管无氧化加热。( )
A.
正确
B.
错误
【单选题】What does Mrs. Watson’s husband do?
A.
He is a teacher.
B.
He is a doctor.
C.
He is a worker.
D.
He is an officer.
【单选题】Where was Mrs. Potts when Mrs. Watson went into Mr. Watson’s office?
A.
She went to her husband’s waiting room.
B.
She went to her husband’s office.
C.
She went to the lavatory
D.
She wasn’t at home
【简答题】Both of Mrs. Watson ’ s daughters their studies abroad now, one in Germany and the other in China.
【单选题】Unit 2-7 . Father wanted to make sure we were square with the court ’ s decision and not subject to a lawsuit.
A.
harmonious
B.
angry
C.
compatible
D.
proportional
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