是不是的用法和樣例：
例句
-
我一離開商店，就有一位男士向我走來，問我是不是叫彼得。
No sooner had I left the shop than a man came to me and asked me if my name was Peter. -
問他那是不是真的。
Ask him if it is true. -
你肯定不會跳水，是不是？
I bet you can't dive, can you? -
頭大是不是表示智慧高？
Is a large head indicative of high intelligence? -
你覺得收音機的聲音是不是太吵了點？
Don't you think the radio's a bit loud?
