题目

阅读理解。    Hello, everyone! Come and buy your clothes at Smith’s Clothes Store! We have some clothes at a very good price. Do you like sweaters? We have sweaters in all colors at 60 dollars each! Do you need bags for sports or school? We have great bags for only 8 dollars! For young boys and girls, we have T-shirts in red, yellow, white and black for only 10 dollars. And socks in all colors for 2 dollars! And that’s not all. Come and see for yourself at Smith’s Clothes Store!根据短文内容选择最佳答案(    ) 1. The __________ in all colors at 60 dollars each.    把含有变形虫的池水放入烧杯中，不久变形虫就会聚集在水的上层。这是因为它们需要（  ）。 A.充足的氧气          B.充足的阳光    C.充足的养料   D.较高的温度