短文填空 (注意适当形式)

     To many people, American food means____ , hot dogs and fried chicken. If you like sweet (甜的)____ , you may even think of apple pies (苹果派) or chocolate cookies (曲奇饼干). It's true that Americans often____ hese things.

     It's hard to find another traditional American food except (除.....之外) Thanksgiving ____ . The United States is a land of people who come from____ countries.  When the people come to America, they____ their cooking styles with them, too. So in America you can find other countries'____ . For example, they____ Italian pizzas, Mexican tacos and Chinese egg rolls. However, these foods in American aren't quite____ the original (原先的) ones in other countries.

膀胱是形成尿的主要器官。（判断对错）

课内阅读

海底动物各有各的特点。海参靠肌肉伸缩爬行，每小时只能前进四米。梭子鱼每小时能有几十千米，攻击其他动物的时候，比普通的火车还快。乌贼和章鱼能突然向前方喷水，利用水的反推力迅速后退。有些贝类自己不动，但能把在轮船底下做免费的长途旅行。还有些深水鱼，它们自身就有发光器官，游动起来像闪烁的星星。