[单项选择]Have you ever stopped to think seriously how many of the things used in your everyday life are made by the hard work of thousands of people
A. 你日常生活中所用的东西有多少是经过了成千上万人的辛勤劳动才做出的，你有没有停止对这个问题的认真思考
B. 你是否曾经停下来严肃地想一想，你在日常生活中所使用的东西有多少是经过成千上万人的辛勤劳动才做出的
C. 你有没有停下来认真地想过，你口常使用的东西有多少是经过了成千上万人的辛勤劳动才做出的
D. 你有没有停下来认真思考，日常用品中有哪些是经过了成千上万人的艰辛劳动才做出的

[单项选择]Next time you have a problem, think about how you can improve the situation instead of ______ all the negative aspects.
A. dwelling on
B. counting on
C. barking on
D. touching on

[单项选择]How many Monkey King Stamps have you collected
A. No one
B. None
C. Nothing
D. Nobody

[单项选择]——How many elephants have you seen ——.
A. None
B. Nothing
C. No one
D. No

[单项选择]

Passage Two
If you have ever been mistaken for somebody else, you can certainly sympathize with two young women from Maryland, both named Wanda Marie Johnson.
One Wanda was living and working in Washington, D.C., when she became confused with the second Wanda, a former resident of the area, whom she’d never met. Both Wan- das were born on June 15, 1953, and their social security numbers are the same except for the final three digits. Amazingly, they both moved from Washington to St. George’s Grenada.
Both women drove cars of the same year and model, which really confused the computers at the Department of Motor Vehicles. When one of the Wandas applied for her driver’s license, she was told she already had one and that she was required to wear glasses while driving. She spoke to four supervisors before convincing the authorities that her vision was perfect and that she really did need a license. She then received two licenses instea
A. vivid adjectives and adverbs
B. logically reasoned arguments
C. pointed accusations
D. factual detail

[单项选择]If you have ever been without meat or other animal foods for some days or weeks, you that you tend to get physically rather weak.
A. will notice
B. will have noticed
C. would notice
D. would have noticed

[单项选择]How many significant demographic changes ever occurred in the past one million years
A. One.
B. Two.
C. Three.
D. None.