[单项选择]Chrom...s vary in size and shape and usually ___ in pairs.
A. occurring
B. to occur
C. occur
D. as occur

[填空题]Dams vary (in size) (from small rock barriers to) concrete structures (many feet) (height). A. in size B. from small rock barriers to C. many feet D. height

[填空题]

A. I usually bake something
B. So am I
C. I can play tennis
D. I’d like a table for one
E. How do you want your eggs
F. you been doing these past few weeks
G. At your service
H. How may I help you

Ken: What have （）. The last time I saw you were looking for a new job.
David: Well, that’s not exactly true. I was thinking about changing jobs. Luckily, that was all taken care of when they offered me a new position in the accounts department.

[判断题][　　] Minutes are usually records every word that is said.

[单项选择] I’’m usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these statements might be true, they are practically impossible to prove scientifically. Still, I was struck by a report which concluded that today’’s children are significantly more anxious than children in the 1950s. In fact, the analysis showed, normal children aged 9 to 17 exhibit a higher level of anxiety today than children who were treated for mental illness 50 years ago. Why are America’’s kids so stressed The report cites two main causes: increasing physical isolation -- brought on by high divorce rates and less involvement in community, among other things -- and a growing perception that the world is a more dangerous place. Given that we can’’t turn the clock back, adults can still do plenty to help the next generation cope. At the top of the list is nurturing (培育) a bett
A. surprising
B. illogical
C. confusing
D. questionable

[单项选择]

Passage 3
I’m usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these statements might be true, they are practically impossible to prove scientifically. Still, I was struck by a report which concluded that today’s children are significantly more anxious than children in the 1950’s. In fact, the analysis showed, normal children aged 9 to 17 exhibit a higher level of anxiety today than children who were treated for mental illness 50 years ago.
Why are America’s kids so stressed The report cites two main causes: increasing physical isolation--brought on by high divorce rates and less involvement in community, among other things--and a growing perception that the world is a more dangerous place.
Given that we can’t turn the clock back, adults can still do plenty to help the next gene
A. to provide them with a safer environment
B. to lower their expectations for them
C. to get them more involved socially
D. to set a good model for them to follow