Unit 2 How often do you exercise(共100分)一. 选择填空(共20分)( ) 1. —How often ______ Mary exercise? —Twice a week. A. do B. does C. doing D. did( ) 2. Good food and exercise ______ me to study better. A. help B. helps C. helping D. to help( ) 3. Is her lifestyle the same ______ yours or different? A. as B. in C. at D. to( ) 4. I have a tennis and my friend John ____ two tennis rackets. A. have B. play C. plays D. has( ) 5. Scott watches TV once ______ week. A. a B. the C. an D.﹨( ) 6. Please drink some milk. It’s good ______your health. A. to B. for C. at D. with( ) 7. Katrina couldn’t go to the cinema with us because she had to _____ her little brother. A. look for B. look after C. look at D. look into ( ) 8. ______I have one healthy habit, ______I’m not very healthy. A. Although , but B. Although, / C. Although ,so D. but , /( ) 9. Let us talk about the difference ______Chinese and English names. A. on B. of C. between D. With( ) 10. Larry's mother wants him _____ at h |