题目

第三部分  阅读理解（共两节，满分50分） 第一节：阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑（共20小题；每小题2分，满分40分） A People have strange ideas about food. For example, tomato is a kind of very delicious vegetable. It is one of useful plants that can be prepared in many ways. It has rich nutrition(营养) and vitamin in it. But in the 18th century, Americans never ate tomatoes. They grew them in their gardens because tomato plants are so pretty. But they thought th水结冰后它的质量会_________，体积_________。(填“变大”“变小”或“不变”)