任务性阅读。
先阅读（A）、（B）两篇短文，然后根据题目要求及所给语境完成下列四项任务。
(A)
| buy explore video allow careful |
Jacques Cousteau, a Frenchman, was very interested in diving deep into the sea, and wanted to be an
1._____ . But at that time, there was no machine 2._____ a person to breathe under water for a long time.
Then in 1943, he and his friend made it possible by inventing the scuba machine. So he 3._____ a ship and
used it to explore under the sea. When he explored the sea, he took pictures and 4._____ of many things
5._____ . He even made a TV show which ran for eight years. It was named The Undersea World of Jacques
Coustemt. It was very popular and let many people see what life was like under the sea.
(B)
The Great Lakes between the US and Canada are the largest bodies of fresh water in the world. For a long
time, people lived happily beside the Lakes until the countries began to build factories along the shores. Pollution was killing the Lakes, Pretty soon, the Lakes' ecosystem was not right any more. Scientists knew something
had to be done. So did the government. They learnt it was important to keep the ecosytem of the Lakes healthy
and strong. If the Lakes dried up. the whole world would feel it. Many areas would become deserts and many
animals would lose their homes and maybe die out. As a result, they set up a lab called the Great Lakes
Environmental Research Laboratory to solve the problem.
任务1: 用方框里所给单词的适当形式填空,使文章通顺、连贯、合理.(每词限用一次,每空一词)
1._____ 2._____ 3._____ 4._____ 5._____
任务2:根据英文释义及首字母提示,拼写单词.
1. d _____ to stop living
2. s_____ the land along the edge of a large area of water, such as an ocean or lake
任务3:同义句转换,每空一词.
Scientists knew something had to be done. So did the government.
3._____ scientists 4._____ the government knew something had to be done.
任务4:根据短文内容简答问题.
5.What was killing the Lakes?
_______________________________________________________________________________________