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________ of the swamps have become ________.
[ ]
A. Any, pollute
B. Some, pollution
C. Some, polluted
D. Any, polluted
查看习题详情和答案>>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 ofthem 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 ．
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__．
查看习题详情和答案>>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 ofthem 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______.