36. A. When　　　　　　　　 B. Although　　　　　　　　　 C. If　　　　　　　　　　　　　　　　　 D. Because

55．A．must　　　　　　　　　 B．may　　　　　　　　　　 C．can　　　　　　　　　　 D．should

Answers:

36-40 ADBCA　 41-45 ADADC　 46-50 BCCDB

51-55 CADBD

　　　　　　　　　　　　　　 Passage 10

　 Bears and humans often meet in National Parks. ____36___ campers and hikers are warned not to feed the bears, many people ignore these warnings and feed the bears ___37___. When bears are used to people’s food, ____38___ soon arise. Bears like to eat a large variety of things, both meat and vegetables. Without human assistance, bears live ___39___ on roots, twigs, leaves of trees, insects and small animals. With people ____40___, the bears’ tastes quickly ____41___ to include sandwiches, hot dogs, hamburgers, and anything else they can temp humans into ____42___.

　　 Bears often ____43___ clever strategies(策略) for getting people to let go their food supplies. ____44___, an unsuspecting(无戒备心的) hiker has taken off his or her pack for a rest only ___45___ a bear charge out of the woods, ___46___ the pack and quickly disappear into the underbrush with it. Hanging the pack on the tree branch won’t ___47___.

　　 Bears have been known to climb up, jump off, and catch the pack on the ___48___ down. One mother bear stretched up with her baby on her shoulders to reach a pack stored on a pole. Many bears ___49___ people into giving up their supplies. Although a bear is ___50___ to attack a person and would probably run away ____51___ screamed at, few people are willing to do so. Most people ____52___ the pack and run the other way. This, of course, delights the bear. In some places, the Park Service installed(安装；设置) some metal barrels with lids to help campers keep their ____53____ safe from bears. Although the bears were unable to open these containers, the effort was ___54___ successful. Most campers, unable to ___55___ the metal drums from rubbish cans, never used them for the intended purpose.

54．A．everyone　　　　　　 B．someone　　　　　　　 C．anyone　　　　　　　　 D．no one

53．A．unfit　　　　　　　　　 B．unselfish　　　　　　 C．unnecessary　　　　 D．unimportant

52．A．far　　　　　　　　　　　 B．long　　　　　　　　　　 C．much　　　　　　　　　 D．well

51．A．sad　　　　　　　　　　 B．depressed　　　　　　 C．selfish　　　　　　　　 D．worried

50．A．something　　　　　 B．anything　　　　　　　 C．nothing　　　　　　　 D．everything

49．A．almost　　　　　　　　 B．nearly　　　　　　　　 C．ever　　　　　　　　　　 D．just

48．A．over　　　　　　　　　 B．round　　　　　　　　　 C．through　　　　　　　 D．without

47．A．so　　　　　　　　　　　 B．yet　　　　　　　　　　　 C．and　　　　　　　　　　 D．or