2007年三类教育招生人数比2003年增加了()。
A. 550万
B. 556
C. 34.2%
D. 33.7%
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A.Two hours ago.B.Good luck.C.Happy journey.D.Tomorrow morning.
A. Two hours ago.
B. Good luck.
C. Happy journey.
D. Tomorrow morning.
以下推断正确的一项是()。
A. 人们对于细胞的研究已经很全面彻底
B. 人们已经利用胚胎干细胞治疗人类疾病
C. 人们能够利用造血干细胞治疗血液病
D. 干细胞不是所有分化细胞的始祖
留存收益的成本计算与普通股的基本相同,但不用考虑筹资费用。()
A. 正确
B. 错误
Section A
Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.
We didn't see her at the party yesterday evening. He ______ it.
A. mustn't attend
B. can't have attended
C. wouldn't have attended
D. needn't have attended