肾结核平片征象()
A.肾影倒“八”字形
B.病侧“肾下垂”
C.肾影不清
D.肾区可见不规则钙化灶
E.肾外形不光
参考答案:D
I heard it was going to become cloudy this afternoon, ____ by a storm.
A.following
B.followed
C.follow
D.to follow
重液和重悬浮液相比,下列()不是重液的特点。
A、不易回收
B、易挥发
C、价格高
D、多数有毒、腐蚀性