边长分别是下列各组数的三角形中，能组成直角三角形的是（   ）

阅读短文，根据短文内容选择正确的答案。

    Coffee has become the most popular American drink. Today people in the United States drink more coffee than（比）people in any of the other countries. People drink coffee at breakfast, at lunch, at dinner, and between meals. They drink hot coffee or coffee with ice in it. They drink it at work and at home. They eat coffee ice-cream and coffee candy（糖果）. Coffee is black and very strong. Different people like to drink it in different ways. Some people like coffee with cream or sugar in it. Other people like coffee with both cream and sugar in it. In all ways it is served（提供服务）. Coffee has become an international（国际的）drink.

A、

B、

C、
铅笔最长的是____； 最短的是____。

把相应的英文句子和中文连起来。

① Who's that woman? ____     A. 这个男人是谁？

② What a big fish! ____     B. 这是我的奶奶。

③ Where are you from? ____     C. 那个女人是谁？

④ Who's this man? ____     D. 好大的鱼啊！

⑤ This is my grandma. ____     E. 你来自哪里？

责任指的是（  ）
①责任是一个人想做的事情
②责任是一个人应当做的事情
③法律要求我们必须做的事才是责任
④责任是不应该做某些事情