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. business and sport fishing are 42___ (threat) their existence.As a result,some sharks are at risk of disappearing 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 not44___( purpose)charge at or bite humans. They are__ 45 ( think) to mistake a person for a sea animal,such as a sea (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.

Which of the following best states the goal of American education?()

• A、To teach every learner some practical skills.

• B、To provide every learner with rich knowledge.

• C、To give every student the opportunity to fully develop his/her ability.

• D、To train every student to be a responsible citizen.

51.假设你是李津,你的美国朋友Chris就读于天津某国际学校。他热爱中国文化,特别是戏曲文化。8月5日下午2:00在新落成的天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。

1.提出邀请并简述原因

2.提出观剧后活动建议(如参观附近的博物馆或美术馆等);

2.请求对方回复。

注意:(1)请使用规范英语,词数不少于100;

(2)可适当加人细节，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