蛛网膜下腔出血的直接CT征象为（）。
A.脑室内出血
B.脑沟、脑池密度增高
C.脑内血肿
D.脑水肿
E.脑梗死
参考答案：B
Last week, only two people came to look at the house, _____wanted to buy it.
A．none of them
B．both of them
C．none of whom
D．neither of whom
TMV粒体的形状是（），CMV粒体的形状是（）的。
