把能够阻塞血管腔的异常物质称为
A.白色血栓B.混合血栓C.红色血栓D.透明血栓E.血栓栓塞
参考答案:C
38.____________in 1914____________the First World War broke out?
39.
A.Was that, that
B.Was that, when
C.Was it. that
D.Was it, when
从接入的角度分,Cable Modem可以分为( )和( ),