题型：语法填空（语篇） 题类：常考题 难易度：困难
人教版（新课程标准）高中英语必修5 Unit 1同步练习一
Jane: Hi, Jack. What are you doing there?
Jack: I'm reading a book about the American scientist, George Washington Carver, who made great (contribute) to American farming.
Jane: I have read an article about him too. He was born into a state of slavery.
Jack: Exactly right. But he became (know) for the development of new crops for southern farmers main cash crop (经济作物) was cotton.
Jane: And I remember that he carried out many (science) researches on the planting of crops, (aim) to improve the farmers' quality of life.
Jack: You are right. However, he had an unfortunate family. His parents had eleven children but all of his ten brothers and sisters died young. addition, Carver and his mother was kidnapped (绑架) and sold to Kentucky when he was just one week old. Though he (find) by his master later, he never saw his mother again.
Jane: I can see he had a really hard childhood.
Jack: Yes. But his life changed after slavery was abolished (废除). He was able to attend a school (build) for blacks. Then he managed to get into the Tuskegee Institute, and began his crop research (short) after graduation.
试题篮
