题目内容：

几道高中英语单选题
1、Be polite to your parents ._______you say that again.
A.Do B.Didn't C.Don't D.Did
我选D,
2.-I've never seen anyone run so fast.
-_____David go .
A.Just watch B.Just to watch C.Just watching D.Just having watch
我选C,
3._____blood if you can and many lives will be saved.
A.Giving B.Give C.Given D.To give
我选A,
4.Your cousin is so full of _____that he can not keep still.
A.force B.power C.strength D.energy
我选C,
5.I_____his bad temple ____his poor health.
A.set down;as B.look on;as C.think of ;as D.set down;to
我选A,
6.We should know that we can only reach the top if wo are ready to ______and learn from failure.
A.do with B.depend on C.carry on D.go with
我选D,
7.______did he tell me his telephone number?
A.For what purpose B.For which prpose
C.For the purpose D.On purpose
我选B,
感激不尽！