地壳里分布最广的元素是()。
A.氧
B.氢
C.铁
D.硅
参考答案:A
应该考虑以下哪项诊断
A.子宫肌瘤
B.子宫肥大
C.子宫后位
D.子宫畸形
E.子宫穿孔
I prefer to stay at home rather than _____ to see a film. [ ]
A. go
B. to going
C. went
D. going