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[单选题]

Birds of a feather （) together.

A.lock

B.flock

C.block

D.clock

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发布时间：2022-06-19

更多“Birds of a feather () together.”相关的问题

第1题

A．featherB．leatherC．strengthenD．southern

A.feather

B.leather

C.strengthen

D.southern

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第2题

在Color Range(色彩范围)对话框中为了调整颜色的范围，应当调整哪个数值()

A.Invert(反相)

B. Anti-aliased(消除锯齿)

C. Fuzziness(颜色容差)

D. Feather(羽化)

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第3题

In each of the following groups of words, there are four underlined letters or letter comb

inations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.

5. A feather B leather C strengthen D southern

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第4题

This passage supports the belief that ______.A.exact reasons for migration are not knownB.

birds migrate because of changes in temperatureC.the ancestral home of all birds was the tropicsD.glaciers caused birds to migrate

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第5题

During daylight hours, birds ______.A．wheel back and forthB．follow the stars in their flig

During daylight hours, birds ______.

A．wheel back and forth

B．follow the stars in their flights

C．use sun for guidance

D．are quite likely to get lost

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第6题

Although no one is certain why migration occurs, there are several theories. One theory cl

aims that prehistoric birds of the Northern Hemisphere were forced south during the Ice Age. As the glaciers melted, the birds came back to their homelands, spent the summer, and then went south again as the ice advanced in winter. In time, the migration became a habit in spite of the disappearance of glaciers. Another theory proposes that the ancestral home of all modem birds was the tropics. When the region became overpopulated, many species were crowded north. During the summer, there was plenty of food, but during the winter, scarcity forced them to return to the tropics. A more recent theory suggests a relationship between increasing daylight and the stimulation of certain glands (腺) in the birds' bodies that may prepare them for migration. One scientist has been able to cause midwinter migrations by exposing birds to artificial periods of daylight. He has concluded that changes occur in the bodies of birds due to seasonal changes in the length of daylight.According to one theory, when the glaciers disappeared, birds ______.A.stopped migratingB.continued migratingC.stayed in the northD.migrated south and stayed there

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第7题

H-live-n-one virus in the passage means ______. A. farm birds B. infected farm

H-live-n-one virus in the passage means ______.

A. farm birds

B. infected farm animals

C. people died in Hong Kong

D. a different kind of bird flu virus

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第8题

The birds mentioned in the third paragraph fly north in midwinter because__________ ．A.the

The birds mentioned in the third paragraph fly north in midwinter because__________ ．