有关腔隙性脑梗死错误的描述是()
A.好发于大脑深部、基底节区
B.皮层支动脉梗死
C.大小约0.5~1.5cm
D.常多发
E.可无临床症状
参考答案:B
Great changes have taken place in that college. It’s no longer _____ it was 20 years
ago, _____ it was so poorly equipped.
A.what; when
B.that; which
C.what; which
D.when; that
车刀断屑槽的宽度和深度尺寸主要取决于()。