根据所给词的适当形式、音标或语境的提示，完成短文。

      Watertown is a great place for a family to take a vacation. Teenagers want to visit the world's ____ (large) water slides and eat at the Uncle Bob's. A different rock band ____ (play) at Uncle Bob's every night. Kids will enjoy the Clown City Café. They have organized games and the staff dress up  ____ (æz)clowns(小丑).

      There is also a lot for parents in Watertown. ____ (if) they love good food, they can find it at the Farmer's Market where the food is both ____ dɪ'lɪʃəs and cheap. While the children have fun, parents can take dance lessons on the beach. And ____ ('evribɒdi) can learn something in Watertown. There are three ____ (museum). Teenagers love the Sports Museum and kids enjoy the Science Museum. Parents will spend many hours ____ (walk) through the History Museum.

阅读理解

    Tom,Bill and Dave lost their backpacks．They are at the lost and found office．The backpacks are the same(相同的),but the things in them are different．Can you help them find the right(正确的)backpack?

    Tom：I have a  maths book and a pencil case in my backpack．There are three pencils,a pen and an eraser in the pencil case．

    Bill：I have a Chinese dictionary,a maths book and two notebooks in my backpack．

    Dave：There are two CDs,three picture books in my backpack．My English book is also in it．

   0.25×0.25=5×5×5×5×（   ）

人体的八大系统是一个统一的整体．在这个整体中，对其他系统具有调节作用的是（　　）

①消化系统   ②运动系统   ③生殖系统  ④泌尿系统  ⑤呼吸系统  ⑥神经系统 ⑦内分泌系统⑧循环系统．