用反证法证明命题：“三角形的内角中至少有一个不小于60度”时，反设正确的是____ 

sunny；Sydney；is；in；it(．)

____

Anna usually plays the guitar _______ 9:00 in the morning.

    Joe Smith is a player in a football team．Several____ago，he and his family were taking a holiday in a small town．One rainy afternoon，it was ____for them to play outdoors，so the family decided to go to the cinema．Joe，his wife(妻子)and ____children drove down to the town's cinema．They bought four____and then went into the hall．The lights were still on(亮着)，and there were just____other people there．When Joe walked in．some of them saw him and____lapping(鼓掌)．Joe gave them a smile and turned to his wife，"Ah，what a warm welcome!I can't believe they know me here．"he said．"I____they've seen my games on TV"When they sat down．a young man turned around to shake hands with Joe．"I just can't believe you know____I am，"Joe said．The man ____puzzled(困惑的)．"All I know'"said the man,"is that they said they would not show the film ____at least ten people had bought tickets．"

预防近视，珍爱眼睛，注意用眼卫生，要从青少年做起．下图中，能表示近视眼成像原理及矫正方法的分别是（　　）