根据图画及上下文提示，在下面对话的空白处填入适当的话语（话语可以是句子、短语或词），使对话完整。

A：Hey, Ginny．What do you call those big，gray things in the water?

　　B：__1__．

　　A：What?

　　B：Manatees。They’re very gentle and very shy．

　　A：__2__？

　　B：They’re usually about 10 feet long and they weigh about 1000 pounds．

　　A：How much do they need everyday?

　　B：They need about 1 00 pounds of aquatic food a day．

　　A：__3__?

　　B：It is underwater plants and vegetation（植被）．

　　A：That’s what they eat?

　　B：Yes．it is．

　　A：__4__?

　　B：Yes，they are endangered（陷入困境）．But，we’re trying to save them

　　A：Wait a moment．Why are they endangered?

　　B：__5_．

　　A：Where do they live?

　　B：They live in the swamps（沼泽）．__6__ ．They are endangered also because there sometimes isn’t enough food for all of them．

　　A：__7__．There used to be a lot of manatees，but now there aren’t very many of them left，I think．

　　B：Yes，__8__ ．At this point，there are only about 2，500 in the U．S．

　　A：__9__?

　　B：Since 1927 laws have been passed to protect them．

　　A：Thank you for your information．

B：__10__．

－I like this pair of trousers a lot. Can I ________?

－Yes, of course,

A．try on them　　                        B．try on it

C．try them on 　　                       D．try it on

　　In the fall of 1992, when Vicki was ten, she and her father, Jim, happened to notice an advertisement for a new flight school. Her father suggested to her that since she wanted to be an astronaut, she might want to take a flying lesson, just see if she liked it. She was excited.
　　Vicki continued with her flying lessons. She was so brave and devoted that she impressed her teacher and soon passed ground school with straight—A’s. She would have passed her pilot exam, too, if she had been old enough. Instead, she’ll have to wait until she is 16 to get her pilot’s license.
　　Vicki made her first record-breaking flight in September 1993, at the age of 11. She flew a small plane across the United States, from Augusta to California. Although by law she had to have a licensed pilot at her side, he never touched the controls or helped her in any way. She was the youngest woman pilot to fly across the U.S. and the youngest pilot ever to fly across the U.S. from East to West. That direction is considered the most difficult flight because it means flying against the wind. And in fact on part of her flight she had to fight her way through strong headwinds. Because she was flying a small plane and FAA rules limited her to flying no more than eight hours each day, the trip took several days with eight stops. Her parents followed along on commercial flights, meeting her at each stop.
　　40. Which of the following is TRUE?
　　A. Jim took Vicki to the flight school.
　　B. Vicki asked her father to send her to the flight school.
　　C. Jim advised Vicki to take the flying lessons.
　　D. Vicki didn’t like the flight school.

　　41. What made Vicki’s first record-breaking flight difficult?
　　A. The strong winds.　　 B. Her age.　　 C. Her plane.　　 D.Her experience.

　　42. Vicki was the youngest pilot _____.
　　A. in history in America
　　B. to fly across the U.S. alone
　　C. to fly across the U.S. from East to West
　　D. to break the first flight record in the world

　　　　　　　　　　　　　　　　　　　　

 ---______ today! 

 ---Yes. Shall we have a spring outgoing?
A. What fine weather is 　                                              B. How fine weather it is      

C. What a fine weather it is                                              D. How fine the weather is