弯曲的细丝拉爬山虎的嫩茎一把，使它紧贴在墙上。

①“把”字句：____

②“被”字句：____

选词填空。

    My favourite TV programme is a reality show called Survivor(《幸存者》). It isn't on TV at the moment ____  it was on last year.

    In the show, two teams of people are taken to a(an) ____ . All of them have to sleep ____  because there aren't any houses or hotels. They usually choose ____ really useful like a tooth brush since they can only ____ one thing with them. The people also have to find food and they spend a lot of time fishing and collecting fruits from the ____ . Every week one person has to____ . At the end, there are only two people on the island and one of them is chosen ____ the winner.

    I really like Survivor because it's very ____  and the people have to do things like hunting for food. I really ____  myself when I watch it. I don't want to be on the show, however, I like 1iving in a house!

适合下列条件的△ABC中, 直角三角形的个数为(   )

① $a=\frac{1}{3},b=\frac{1}{4},c=\frac{1}{5}$ ；② $a=6$ ，∠A=45°；③∠A=32°, ∠B=58°④ $a=7,b=24,c=25$ ；⑤ $a=2,b=2,c=4$