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（请给出正确答案）
[主观题]
Sharks eat their food by ______？A．suckingB．grindingC．chewingD．swallowing
Sharks eat their food by ______？
A．sucking
B．grinding
C．chewing
D．swallowing
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如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
Sharks eat their food by ______？
A．sucking
B．grinding
C．chewing
D．swallowing
如果结果不匹配，请 联系老师 获取答案
更多“Sharks eat their food by _____…”相关的问题
Sharks eat their food by ______？
A．sucking
B．swallowing
C．grinding
D．chewing
Which of the following is an example of symbiosis as it is described in Paragraph 2 ？
A．Certain types of tall grass conceal tigers because of the tigers' striped markings.
B．Fish called remoras attach themselves to sharks and eat the scraps of the sharks' meals.
C．Mistletoe, a type of shrub, grows on trees and harms them by extracting water and nutrients.
D．Protozoa in the intestines of termites digest the cellulose that the termites eat, and their waste products nourish the termites.
What does the woman mean？
A．She will eat some more fish.
B．She doesn't like to eat fish.
C．She won't eat any foo
Some people can easily learn many things by heart because ______.
A．they often eat good food
B．they read a lot of books
C．they have very good memories
A．Children eat more and more junk food nowadays.
B．Television influences children's food choice.
C．People serve little health food at their parties.
D．There are many TV advertisements for health food.
根据材料，回答题。
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________ （51 ）people frequently. But these fish perform. a ________ （52 ）service for earth"s waters and for human beings. Yet business and sport fishing are threatening their________ （53）. Some sharks are at ________ （54） of disappearing from earth.
Warm weather may influence both fish and shark activity. Many fish swim near coastal areas________ （55 ） their warm waters. Experts say sharks may follow the fish into the same areas，________ （56）people also swim. In fact，most sharks do not purposely charge at or bite humans.
They are thought to mistake a person________ （57 ） a sea animal， such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the________.（58 ）when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.
A shark has an extremely good sense of smell. It can find small amounts of substances in water， such as blood， body liquids and ________ （59）produced by animals. These powerful________ （60） help sharks find their food. Sharks eat fish， any________ （61 ） sharks ，and plants that live in the ocean.
Medical researchers want to learn more about the shark"s body defense and immune systems________ .（62） disease. Researchers know that sharks ________ （63）quickly from injuries. They study the shark in hopes of finding a way to fight human disease.
Sharks are important for the world"s________.（64）. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too________ （65）. This protects the plants and other forms of life that exist in the oceans.
回答（51）题 查看材料
A.attack
B.meet
C.love
D.visit
根据以下材料，回答题
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 51______ people frequently. But these fish perform. a 52______ service for earth"s waters and for human beings. Yet business and sport fishing are threatening their 53______ Some sharks are at risk of disappearing from 54______
Warm weather may influence both fish and shark activity. Many fish swim near coastal areas 55______ their warm waters. Experts say sharks may follow the fish into the same areas，56______ people also swim. In fact， most sharks do not purposely charge at or bite humans. They are thought to mistake a person 57______ a sea animal， such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the 58______ when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.
A shark has an extremely good sense of smell4. It can find small amounts of substances in water， such as blood， body liquids and 59______ produced by animals. These powerful 60______ help sharks find their food. Sharks eat fish， any 61______ sharks， and plants that live in the ocean.
Medical researchers want to learn more about the shark"s body defense， and immune 62______ against disease. Researchers know that sharks 63______ quickly from injuries. They study the shark in hopes of finding a way to fight human disease.
Sharks are important for the world"s 64______. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too 65______
This protects the plants and other forms of life that exist in the oceans.
回答（51）题 查看材料
A.attack
B.meet
C.love
D.visit
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 【51】______ people frequently. Although these fish perform. a valuable 【52】______ for earth's waters and for human beings, business and sport fishing are threatening their 【53】______. As a result, some sharks are at risk of disappearing from Earth.
Warm weather may influence both fish and shark 【54】______. Many fish swim near coastal areas because of their 【55】______ waters. Experts say sharks may follow the fish into the same areas, 【56】______ people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person 【57】______ 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 goes down or comes up, because those are the times when sharks are looking for 【58】______. Experts also say that bright colors and shiny jewelry(珠宝) may cause sharks to attack.
A shark has an extremely good sense of 【59】______, with which it can find small amounts of substances in water, such as blood, body liquids and chemicals 【60】______ by animals. These powerful senses help sharks find their food. Sharks eat fish, any 【61】______ sharks, and plants that live in the ocean.
Medical researchers want to learn more about the shark's body defense and immune(免疫的) 【62】______ against disease. Researchers know that sharks 【63】______ quickly from injuries. They study the shark in hopes of finding a way to fight human disease.
Sharks are important for the world's oceans, as they eat injured and diseased fish. Their 【64】______ activities mean that the numbers of other fish in ocean waters do not become too 【65】______. This protects the plants and other forms of life that exist in the oceans.
A．attack
B．meet
C．recognize
D．visit
下面的短文有15处空白，请根据短文内容为每处空白确定一个最佳选项。
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 (51) people frequently. Although these fish perform. a valuable (52) for earth's waters and for human beings, business and sport fishing are threatening their (53) . As a result, some sharks are at risk of disappearing from Earth.
Warm weather may influence both fish and shark (54) . Many fish swim near coastal areas because of their (55) waters. Experts say sharks may follow the fish into the same areas, (56) people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person (57) 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 goes down or comes up, because those are the times when sharks are looking for (58) . Experts also say that bright colors and shiny jewelry (珠宝) may cause sharks to attack.
A shark has an extremely 'good sense of (59) , with which it can find small amounts of substances in water, such as blood, body liquids and chemicals (60) by animals. These powerful senses help sharks find their food. Sharks eat fish, any (61) sharks, and plants that live in the ocean.
Medical researchers want to learn more about the shark's body defense and immune (免疫的) (62) against disease. Researchers know that sharks (63) quickly from injuries. They study the shark in hopes of finding a way to fight human disease.
Sharks are important for the world's oceans, as they eat injured and diseased fish. Their (64) activities mean that the numbers of other fish in ocean waters do not become too (65) . This protects the plants and other forms of life that exist in the oceans.
51 A meet B attack C recognize D visit
A．All sharks have teeth.
B．A shark can have six rows of teeth.
C．A shark can have hundreds of teeth.
D．All sharks have extremely sharp teeth.
