单选题Seventeen-year-old Quantae Williams doesn"t understand why the U. S. Supreme Court struck down his school district"s racial diversity program. He now 1 the prospect of leaving his mixed-race high school in suburban Louisville and 2 to the poor black downtown schools where he 3 in fights. "I"m doing 4 in town. They should just leave it the 5 it is," said Williams, using a fond nickname for suburban Jeffersontown High School, 6 he"s bused every day from his downtown neighborhood. "Everything is 7 , we get along well. If I go where all my friends go, I"ll start getting in trouble again," Williams said as he took a 8 from his summer job 9 clothing 10 for poor families. Last month"s 5-4 ruling by the Supreme Court struck down programs that were started voluntarily in Louisville and Seattle. The court"s decision has left schools 11 the country 12 to find a way to protect 13 in their classrooms. Critics have called the decision the biggest 14 to the ideals of the 1954 Brown vs. Board of Education 15 , which outlawed racial segregation in U. S. public schools. With students already 16 to schools for the 17 year that begins in September, 18 will be immediately affected by the Supreme Court decision. In Jefferson County, officials said it could be two years 19 a new plan is 20 place, leaving most students in their current schools.

单选题 It is a common theme in many science fiction stories that the world may one day be ______ by outer space invaders.

单选题Thousands of people who have no relevant ______ or business are put into important jobs.

单选题Many of the local residents left homes to ward off the danger of flooding.

单选题Some diseases are ____ by certain water animals.

单选题I want to know______ she has gone to the factory or not.

单选题Thrilled that she got her first paycheck ,Nancy immediately_______ her old cell phone with a newer model.

单选题Andrew, my mother's elder brother, will not be at the family party, ______ to the family's disappointment.

单选题______ enables us to know the past and to use it in preparing for the future.

单选题 Now listen to the following recording and answer questions20-22.

单选题I have some difficulties these words, would you mind ______me your dictionary?

单选题The emperor turned to alchemy to ensure immortality , but contrary to his wishes, the wrong chemistry shortened his life.

单选题The little girl is just learning to walk and she's always ______ over. A. tumbling B. wagging C. waving D. swaying

单选题I ______ her to give up taking the medicine but she refused.

单选题There are millions of left-handed.people in the world.A number of them got together in1975 to form an association called Left-handers International.The purpose of the organization is to fight discrimi

单选题Criticism and self-criticism is necessary ______ it helps us to find and correct our mistakes.

单选题Harry was ______ by a bee when he was collecting the honey.

单选题I couldn't ______ the lecture at all. It was too difficult for me. A. take on B. take in C. take over D. take upon