如图所示的电路,两盏灯泡始终完好,当S闭合后,灯 ______会发光.
当S闭合后,灯泡L2被导线短路,灯泡中没有电流通过,所以只有灯泡L1发光;
故答案为:L1.
根据句意及母提示填入适当的单词。
1. The foreign athlete's p_____ is so good that I can't believe he is from South Korea.
2. Sorry, I can't follow you. Can you speak more s_____?
3. Please be more careful, or you'll make more m_____.
4. Though Jet left his friends two years ago, he couldn't forget the f_____ between them.
5. As a s_____, Xu Sanduo knows he must try his best to do everything well. So he succeeded at last.
6. I r_____ I had to work harder to get good results.
7. Don't be a_____ of making mistakes, because everyone makes mistakes.
8. How will you d_____ with these old clothes?
9. It's not easy to s_____ such a difficult problem.
10. We should try our b_____ to learn English well.
患者,女性,25岁,右眼视力下降3天,检查右眼视力1.0,眼前段(-),眼底检查如图,属于该病临床特征的是()
A.视物变暗
B.视力下降,但常不低于0.5
C.视物变形
D.黄斑水肿
E.眼部隐痛