遮盖、去遮盖试验用于检查()
A.判断交替性斜视的斜视眼
B.判断隐斜视的斜视眼
C.判断麻痹性斜视的斜视眼
D.判断恒定性斜视的斜视眼
E.以上都不正确
参考答案:D
When people have no will to live, people are often very difficult to help.
A.you are
B.they are
C.it is
D.the other is
当线圈中的电流()时,线圈两端产生自感电动势。
A、变化时
B、不变时
C、很大时
D、很小时