fuel 燃料 house 给……提供住处 demand 需求 fold 倍 soil 土壤result 成果 growth 增长 total总旳 factor 原因 social 社会旳题目 21The hospital is carrying ____ tests to find out what's wrong with her.选择一项：a. overb. out 对旳c. offd. away对旳答案是：out题目 22Speed limits should lead ____ fewer deaths on the roads.选择一项：a. to 对旳b. offc. ond. in对旳答案是：to题目 23a. result in b. results inc. results fromd. result from对旳答案是：results from题目 24He's hoping for ___ as a doctor.选择一项：a. job b. a workc. labourd. a career对旳答案是：a career题目 25Cycling is a good exercise. ____, it doesn’t pollute the air.选择一项：a. Therefore b. Moreoverc. Butd. However对旳答案是：Moreover题目 26He is ____ at doing this kind of job.选择一项：a. imefficient b. nonefficientc. unefficientd. inefficient对旳答案是：inefficient题目 27Heat causes the ____ of gas.选择一项：a. growthb. increasec. expansion d. extension对旳答案是：expansion题目 28Several languages are likely to die ____.选择一项：a. outb. downc. offd. of 对旳答案是：out题目 29He is trying to find a new way to __ a living. Which of the following is not correct?选择一项：a. getb. earnc. taked. make 对旳答案是：take题目 30I spent most of my money in the first week and ____ had very little for food at the end of the holiday.选择一项：a. sinceb. however c. moreoverd. consequently对旳答案是：consequently题目 1对旳答案是：which house题目 2对旳答案是：which is increasing题目 3对旳答案是：which adds题目 4对旳答案是：which brings题目 5对旳答案是：which causes题目 6对旳答案是：which leads题目 7对旳答案是：which drives题目 8对旳答案是：It’s one of the driest summers we have ever known.题目 9对旳答案是：It’s the coldest winter we’ve ever had.题目 10对旳答案是：It’s the wettest day I’ve ever experience...
