this is的例句　　在小学英语语法中this is 是个重要的句型，下面举几个this is的例句： 　　This is a girl.
　　This is a doll.
　　This is a bus.
　　This is a car.
　　This is a plane.
　　This is a dog.
　　This is a ball.
　　This is a boy.
　　This is a boat.