51. What is Arctic ice doing earlier each year?

A. It’s freezing. B. It’s hardening. C. It’s melting. D. It’s expanding.

52. What is true of polar bears that are spending more time on land in Alaska?

A. Their young are dying. B. Their diet is changing.

C. Their health is improving. D. Their families are growing.

53. What do polar bears in Hudson Bay do during the summer?[

A. They claim territory(地域). B. They protect mates.

C. They hunt animals. D. They stop feeding

54. What does the writer imply about female polar bears in Hudson Bay ?

A. They are having fewer young now. B. They suffer from various sicknesses.

C. They don’t need stronger protection. D. They can’t find enough good males.

55. In which publication would you most likely find this passage?

A. Medical News B. Society Today C. Wildlife Journal D. Design Magazine

第二节：信息匹配(共5小题;每小题2分，满分10分)

阅读下列应用文及相关信息，并按照要求匹配信息。请把选择出的答案填写在答题卷相应的位置上。

A. Current situation and future of reality shows

B. Audience’s reaction to reality TV

C. Critics’ relevant comments

D. Attractions for producers and participants

E. Definition of “watch and dial ”show

F. Introduction to new reality shows

56.