36. The __________ stuck on the envelope says "By Air".

　　A. diagram

　　B. label

　　C. signal

　　D. mark

　　37. My brother' s plans are very __________; he wants to master English, French and Spanish before he is sixteen.

　　A. arbitrary

　　B. aggressive

　　C. ambitious

　　D. abundant

　　38. Stressful environments lead to unhealthy such as poor eating habits, which __________increase the risk of heart disease.

　　A. in turn

　　B. in return

　　C. by chance

　　D. by turns

　　39. There was a good__________ of the countryside from the front of the bus.

　　A. sight

　　B. view

　　C. scene

　　D. scenery

　　40. This album is__________ as it was the only one ever signed by the President.

　　A. unusual

　　B. unique

　　C. rate

　　D. special

　　41. The book seems to have been, __________ from various books and articles.

　　A. pieced together

　　B. taken off

　　C. broken away

　　D. pulled out

　　42. You should have been more patient__________ that customer;I' m sure that selling him the watch was a possibility.

　　A. of

　　B. with

　　C. for

　　D. at

　　43. As early as 1647 Ohio made a decision that free, tax-supported schools must be established in every town__________ 50 households or more.

　　A. having

　　B. to have

　　C. to have had

　　D. having had

　　44. We love peace, yet we are not the kind of people to yield __________any military threat.

　　A. up

　　B. to

　　C. in

　　D. at

　　45. If tap water were as dangerous as some people think, __________would be getting sick.

　　A. a lot of more us

　　B. more a lot of us

　　C. a lot of us more

　　D. a lot more of us