Vossius环见于哪种白内障()
A.钝挫伤性白内障
B.后发性白内障
C.代谢性白内障
D.中毒性白内障
E.老年性白内障
参考答案:A
Alice ___________ to school by bus every day.[ ]
A. is going to
B. go
C. goes
D. to go
阀门的完好标准中,规定阀门距管座的距离应在()mm以上。
A、20
B、50
C、80
D、100