第六部分：完形补文(第41～50题，每题1.5分。共15分)下面的短文有10处空白。每处空白后的括号内有一个词。请根据短文内容将其正确的形式填入文中。以恢复文章原貌。

　　41

　　回答41-50题

　　Sharks Perform a Service for Earth’s Waters

　　It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to attack frequently. Although these fish perform a __41__ (value) service for earth’s waters and for human beings,busind sport fishing are __42__ (threat) their existence As a result, some sharks are at risk of disapearing from Earth.

　　Warm weather may influence both fish and shark __ 43__ (active). Many fish swim near coastal areas because of their warm waters. Experts say sharks may follow the fish into the same areas where people also swim. In fact most sharks do not __44__ (purpose) charge at or bite humans. They are __45__ (think) to mistake a person for a sea animal, such as a seal(海豹) or sea lion. That is why people should not swim in the ocean when the sun __46__ (go) down or comes up, because those are the times when sharks are looking for food. Experts also say that bright colors and shiny jewelry (珠宝)may cause sharks to attack.

　　Medical researchers want to learn __47__ (much) about the shark’s body defense and immune(免疫的)systems against disease__48__ (research) know that sharks recover quickly from injuries They study the shark in hope of finding a way to fight human disease.

　　Sharks are important for the world’s oceans as they eat __49__ (injure) and diseased fish. Their __50__ (hunt) activities mean that the numbers of other fish in ocean waters do not become too great This protects the plants and other forms of life that exist in the oceans.

　　请在第__41__处填上正确答案。

　　42

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　　43

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　　44

　　请在第__44__处填上正确答案。

　　45

　　请在第__45__处填上正确答案。

　　46

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　　47

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　　48

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　　49

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　　50

　　请在第__50__处填上正确答案。

　　第七部分：短文写作(第51题，30分)

　　51假设你是李津，你的美国朋友Chris就读于天津菜国际学校。他热爱中国文化，特别是戏曲文化。8月5日下午2：00在新落盛望垂津大剧院将上演越剧《梁山伯与祝英台》。请你根据以下提示，用英语给Chris写一封电子邮件，邀请他一起观看演出。

　　◇提出邀请并简述原因;

　　◇提出观剧后活动建议(如参观附近的博物馆或美术馆等);

　　◇请求对方回复。

　　注意：(1)请使用规范英语，词数不少于100;

　　(2)可适当加入细节，以使内容充实、行文连贯;

　　(3)开头和结尾已给出，不计人总词数。

　　参考词汇：越剧 Shaoxing Opera，《梁山伯与祝英台》Butter fly Lovers，天津大剧院Tianjin Grand Theater

　　Dear Chris，

　　I have good news to tell you._______________________________________________________

　　_____________________________________________________________________________________

　　Yours

　　Li Jin

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