白血病病人因头痛、恶心、呕吐、视力模糊、颈强直等确诊为中枢神经系统白血病,最多见的是()
A.脑膜浸润
B.脑皮质浸润
C.脑干浸润
D.小脑浸润
E.内囊浸润
参考答案:A
The information on the Internet gets around much more rapidly than _____ in the newspaper.
A.it
B.those
C.one
D.that
海龙体表具突起的花纹图案称为()
A.菠萝纹
B.铁线纹
C.齿轮纹
D.五影纹
E.云锦花纹