100以内5的倍数有____
sinα+cosα=tanα0<α<π2,则α的取值范围是( )
下列说法正确的是( )
Today is Sunday. It is a sunny day. Mike and Paul are going to have a picnic in the park. There are many green trees. Near the gate,there is a lake. Some ducks are swimming on the lake.
Mike and Paul are going to have lunch at half past eleven. Then they are going to read some books under a big tree.