分拆上市使母公司控制的资产规模（）。
A.变小
B.变大
C.不变
D.变化不明确
参考答案：B
In our own galaxy, the Milky Way, there are perhaps 200 billion stars, a small part of them probably have planets on which life is feasible.
A．a small fraction in which
B．a small fraction of which
C．a small fraction which
D．which a fraction of
下列哪项对鉴别良性与恶性骨肿瘤无意义
A．碱性磷酸酶是否升高
B．X线摄片上病变边界是否清楚，是否有明显的骨膜反应
C．是否可扪及肿块
D．有无全身症状
E．有无局部皮肤静脉怒张，温度增高
