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（请给出正确答案）
A.arm
B.neck
C.leg
D.hand
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Sea Horses
Sea horses are unusual parents. The female sea horses lay the eggs, but unlike other creatures,it&39;s the males that give birth to the young.
Male sea horses have a fold of skin on their bellies that forms pocket, called a brood pouch.
During the breeding season, the sea horse&39;s pouch swells to receive eggs. A female sea horse lays up to 200 eggs at a time in the pouch. Then she swims off, leaving her male partner to care for the developing eggs and give birth to young sea horses. The female will return everyday to check on her mate and the eggs, but she doesn&39;t stay long, nor does she take part in the birth.
It takes from two to six weeks for the eggs in the male&39;s pouch to develop. During this time the male avoids open water and hides in sea grass. His big pouch makes it difficult for him to swim, so the male often uses his tail to grasp a piece of sea grass. Firmly gripping the grass, he will stay perfectly still for hours or even days. The male sea horse will change his color to blend with his surroundings and avoid being seen by predators who will try to eat him or poke holes in his pouch to get the eggs.
The eggs hatch inside the male&39;s pouch. When the babies begin moving around, the male sea horse knows it&39;s time for them to be born. He grabs a sea grass stem with his tail and begins rocking, bending, and stretching his body so that the rest of the babies can be born. Sometimes he has to press his pouch against a rock or some stiff seaweed to force the young out.
Sea horse babies are born in groups of five or more. Sometimes it takes two days for the father sea horse to give birth to all his young. He is very tired when it&39;s over.
Soon after giving birth to one brood, the male will approach his mate and show her his empty pouch. This tells her he is ready to receive eggs again.
What part does the female sea horse play in having babies？ 查看材料
A.Receiving eggs
B.Laying eggs
C.Hatching eggs
D.Protecting eggs
A、le
B、la
C、les
D、des
Before such disposal, the pouch is moist and warm, and it is highly likely that among its contents would be a great variety if microscopic fungus spores, or seeds. Although most if the spores perish in the pouch, others thrive, When the waste material is deposited in the nest, fungi grow and cover the material. Since certain kinds of fungi are high in food value, and since the ants can subsist on them, it is not surprising that some of the more clever kinds of ants should have learned to cultivate them.
(1).What is the purpose of the infrabuccal pocket in ants?
选项格式A、To digest solid foods
B、To collect debris
C、To liquefy solids
D、To hold soluble substances
(2).According to the passage, ants constantly groom themselves because
A、they have a strong desire to be clean
B、dirt in their bodies prevents them moving quickly
C、they have very little to occupy their time
D、it is a type of social ritual
(3).What do ants do to clean out their infrabuccal pockets?
选项格式A、Swallow the accumulated debris
B、Turn the pockets inside out
C、Spit out the waste material
D、Remove the pockets for cleaning
(4).According to the passage, the spores in the infrabuccal poclets
选项格式A、mainly die
B、never survive
C、dry up
D、mostly thrive
(5).We understand from the passage that when the infrabuccal pockets are cleaned out
选项格式A、the waste material is made into the nests
B、spores in the material develop into fungi
C、the material is consumed by fungi
D、seeds fall to the ground and start to cover the material
A、North and South Korea
B、Japan
C、Southeast Asian nations
D、All the above.
A、The legend on Qu Yuan is NOT the most widely spread legend.
B、Peopletake little pity on the finale that Qu Yuan drowned himself in a river.
C、People praise highly the lofty sentiment and outstanding talent toward Qu Yuan.
D、There are two legends on the origin of the Dragon Boat Festival.
A、in some provinces
B、in few provinces
C、in more and more provinces
D、all over the country
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