1,Although they lost their jobs, savings and unemployment benefits allow the couple to ________ their comfortable home.
A) come in for
B) catch up with
C) look forward to
D) hold on to
　　
2,With the increasing unemployment rate, workers who are 50 to 60 years old are usually the first to be ________.
A) laid off
B) laid aside
C) laid out
D) laid up
　　
3,An important factor in determining how well you perform in an examination is the ________ of your mind.
A) state
B) case
C) situation
D) circumstance
　　
4,It is clear that the dog has a much greater ________ of its brain devoted to smell than is the case with humans.
A) composition
B) B) compound
C) C) percent
D) D) proportion
　　
5,Sadly, as spending on private gardens has ________, spending on public parks has generally declined.
A) heightened
B) lifted
C) flown
D) soared
　　
6,Lung cancer, like some other cancers, often doesn't produce ________ until it is too late and has spread beyond the chest to the brain, liver or bones.
A) trails
B) therapies
C) symptoms
D) symbols
　　
7,Although many experts agree that more children are overweight, there is debate over the best ways to ________ the problem.
A) relate
B) tackle
C) file
D) attach
　　
8,The physical differences between men and women can be ________ directly to our basic roles as hunters and child-bearers.
A) pursued
B) traced
C) switched
D) followed
　　
9,Research shows that there is no ________ relationship between how much a person earns and whether he feels good about life.
A) successive
B) subsequent
C) significant
D) sincere
　　
10,American college students are increasingly ________ with credit card debt and the consequences can be rather serious.
A) boosted
B) burdened
C) discharged
D) dominated

答案：
1. D 2. A 3. A 4. D 5. D 6. C 7. B 8. B 9. C 10. B