1. [单选题]下列能源中,不会对环境造成污染且取之不尽(inexhaustible)的是
A. 太阳能
B. 煤
C. 石油
D. 天然气
2. [单选题]23. From the passage,we can know it is ________for plants to grow in dry places.
A. easy
B. difficult
C. impossible
D. important
3. [单选题]6. When I___________ a little girl,l often ______ questions.
A. is,asks
B. was,asks
C. is,asked
D. was,asked
4. [单选题]4.I __________my teacher carefully,but l __________nothing.
A. listened,listened
B. heard,listened to
C. listened to,heard
D. listened to,listened
5. [单选题]40_________.
A. easily
B. moreeasily
C. easy
D. easier
6. [单选题]25. The best title for this passage is _____.
A. Bad habits
B. Junk food
C. Unhealthy food
D. Advice on healthy eating
7. [单选题](2009?重庆)下列物质中不能在氧气里燃烧的是( )
A. 氮气
B. 焦炭
C. 硫黄
D. 天然气
8. [单选题]22.My football is______ .
A. behind the door
B. near the door
C. behind a door
9. [单选题]18.
A. AII
B. Each
C. Every
D. None
10. [单选题]8. —What’ s her name?—__________.
A. Her is Mary
B. They're Mary
C. She - s Mary
D. l’m Mary