1. [单选题]
A. interested
B. excited
C. satisfied
D. surprised
2. [单选题]They waited and waited for something _________ to happen.
A. excite
B. excited
C. exciting
D. to excite
3. [单选题]．医用热敷袋使用时要轻揉，袋内的反应可看作是铁粉、空气和水相互作用，产生氢氧化亚铁[Fe(OH)2]，最终转化为氢氧化铁[Fe(OH)3]。下列说法不正确的是
A. 热敷袋放出的热量是由化学反应产生的
B. 总反应为2Fe+O2+3H2O=2Fe(OH)3
C. 上述含铁物质中铁元素的化合价有0、+2、+3
D. 热敷袋中的铁粉与水在未使用时要分别密封保存
4. [单选题]—Whosecomputerdoesn'twork?—____，Ithink．
A. Johnhas
B. Johndoes
C. John
D. John's
5. [单选题]28． Does Tina have a photo of Wang Nan?
A. Yes， she does．
B. Yes， he does．
C. No， she doesn't．
D. No，he doesn’t．
6. [单选题]8． —What is this in English ?—______．
A. It ’s a watch
B. Yes，it is
C. It's red
D. This is not mine
7. [单选题]10，—Excuse me，is this Mr Brown's office?—I'm sorry，but Mr Brown _______ works here． He left about three years ago．
A. not now
B. no more
C. not still
D. no longer
8. [单选题]3． _______the Great Green Wall，the land produces more crops
．
A. Thanks for
B. Thanks to
C. Thank to
D. Thank for
9. [单选题]16．
A. in
B. on
C. at
D. under
10. [多选题]Jack heard from his parents yesterday. 学科网
Jack heard from his parents yesterday.
A. received a letter from B．heard of C． g
B. received a letter from B．heard of C． got a present from
