C. Too much homework.

第二部分阅读理解（共两节，满分40 分）

第一节（共15 小题；每小题2 分，满分30 分）

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。

　　　　　　　　　　　　　　　　　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 the vegetable was poisonous(有毒的). They called tomatoes "poison apples".

President Thomas Jefferson, however, knew that tomatoes were good to eat. He was a learned man. He had been to Paris, where he learned to love the taste of tomatoes. He grew many kinds of tomatoes in his garden. The President taught his cook a way for a cream of tomato soup. This beautiful pink soup was served at the President party. The guests thought the soup tasted really good. They never thought their president would serve his honored guests poison apples. Jefferson never spoke to his honored guests about the fact.21. Tomato is a kind of ___________.

　　A.poisonous fruit B.tasty vegetable C. tasty fruit D.poisonous vegetable

22. Jefferson learned that tomatoes were good to eat ____.

　　A. because his parents told him so B. when he was a little boy

　　C. while he was in Paris D. from books

23. From the passage we know all the honored guests invited by Jefferson were____.

　　A. people of his own country B. from France

　　C. people from other countries D. men only

　　　　　　　　　　　　　　　　　　B

Using smart phones with cameras, we can now take selfies and immediately share it with the world through social networking websites. However, some believe that