高二英语练习 M7 Unit 4第一节 单项填空(共 20 小题;每小题 1 分,满分 20 分)从 A、B、C、D 四个选项中,选出可以填入空白处的最佳答案。21. Some researchers are finding that daydreaming may be important to ______ mental health. Daydreaming, they say, is ______ good means of relaxation.A. the; 不填 B. 不填 ; the C. 不填; 不填 D. 不填; a22. __________ you may have, you should gather your courage to face the challenge. A. However a serious problem B. What a serious problem C. However serious a problem D. What serious a problem23. ________ is expected, according to the online survey, prices of houses will not go up any more. A. What B. It C. As D. Which24. ________ sales down by 30%, the company has to lay off many clerks. A. For B. With C. As D Through25. Tom opened the door. There _________ he had never seen before. A. a girl stand B. a girl stood C. did a girl stand D. stood a girl26. Not far from the club, there is a garden, its owner __________ in it ___________ bridge with his children every afternoon.A. seated; plays B. seats; plays C. seated; playing D. seating; playing27. If you have a job, ________ yourself to it and finally you’ll succeed. A. do devote B. don’t devote C. devoting D. not devoting28. -I got sick and tired of hotels and hotel food after the trip to Mexico. -I can imagine. _________________.A. Don’t meet trouble half-way B. All’s well that ends wellC. Honesty is the best policyD. East or west, home is the best 29. George is going to talk about the geography of his country, but I would rather he ________ more on its culture. A. focus B. focused C. would focus D. had focused30. Studies show that people are more ________ to suffer from back problems if t...