1. They spend a lot of time working at their jobs and at home. A. 错误 B. 正确 ...

2. Since the water in this region has been polluted, it is advised to () water before drinking. A. clean B. purify C. clear D. sterilize ...

6. Which of the following continents are not poverty-stricken? A. Africa B. Europe C. North America D. Russia ...

3: The clear water and comfortA##Ble climate in the mountains is an important reason for longevity. A: 错误 B: 正确 ...

19: A: We went to Italy for a holiday last year. B: That () nice. A: can be B: must be C: must have been D: can't have been ...

6. Popular ethnic food nowadays includes (). A. Chinese food B. Indian food C. fast food D. Thai food ...

18. City born and city bred, he always thinks city life is () coutry life. A. superior than B. inferior than C. superior to D. inferior to ...

18. He() everything I say, even if he has to insist that black is white. A. denies B. contradicts C. disagrees D. argues ...

15. The lawn-mower broke () last month and it failed to operate. A. off B. down C. up D. away ...

27: Code-mixing refers to the fact that a speaker changes from one language to the other in different situations or when talking about different topics. A: 错误 B: 正确 ...