在Rt△ABC中，∠C=90°，若AB=2AC，则sinA 的值是（    ）

This is ____ apple.

    Reading books is a good hobby for all kinds of reasons.

    First, reading books is f____ You can always keep yourself interested and help you to have an enjoyable time if you like reading.It is a relaxing hobby too.You can really become lost in a book.

    Next, you can read a book a____ : in a car, in a waiting-room, on a plane, in bed — even in the bath.All you n____ is a book! Reading is a convenient hobby as it is easy to stop and then s____ again.

    A____ good reason for reading books is that it is useful.If you read as a hobby you will get better and better at it.This m____ that you will read faster and will become better at understanding what you read.As your reading improves, you will probably find your schoolwork becomes much e____ .Many school subjects depend on(依靠) good reading and, as you read, you l____more and more.

    Good readers are most likely to be good w____, too.They are usually good at spelling as well, and have more things to write about.Reading books is a wonderful hobby, one of the best.

    W____ other hobby could be, more useful, or more enjoyable?

Dear Molly,
    I know how you feel. People always tell us, “Don't do this!” or “You can't do that!” But think about it, Molly. There  1  a lot of things you can do. You can play basketball 2 weekends. You can watch TV after you  3 a book. Parents and schools are sometimes strict, 4  remember, they make rules to help us. We have  5  them.
Good luck!
Dr. Know