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发布时间:2024-02-19 20:03:32

[单项选择]What leads to the formation of a black hole
A. The structure of a star.
B. A collision between two stars.
C. The attraction of two large stars.
D. The shrinking of a large star by its own gravitational force.

更多"What leads to the formation of a bl"的相关试题:

[单项选择]Under what conditions will the formation of cancer begin ( )
A. When a chromosome breaks apart near an oncogene and its control functions fail.
B. When people drink too much and are easy to get tired.
C. When people smoke too much and are difficult to get to sleep.
D. When people eat too much petroleum-based products.
[单项选择]What probably leads people to choose gourmet coffees over regular brands


A. Gourmet coffee is less expensive.
B. Regular brands of coffee have too much caffeine.
C. Gourmet coffee tastes better.
D. Gourmet coffee is grown in the United States.
[单项选择]What is the most important factor that leads to the rise in living standards of average people
A. Labor unions.
B. Minimum-wage laws.
C. Rising productivity.
D. Favorable public policy.
[单项选择]What is the rumor of "Black card"
A. The holder can spend freely at the best shops.
B. The credit card allows holders to pay their check without cash.
C. The holders can summon helicopters in desert.
D. The credit card is very important in American society.
[单项选择]What happens to black pepper after it's picked


[单项选择]What do the people of the black community think of prostitution


[单项选择]According to the passage, what is "black gold"
A. Gold ore.
B. Sstolen money.
C. Whale oil.
D. Crude oil.
[单项选择]—What did Mr Black do in the middle of the night —Well, I‘m not sure, but he was often heard ___________.
A. singing the same song
B. to sing the same song
C. sing a same song
D. to be playing same song
[单项选择]What does the author mean by "black and white" in "There are no gyres in his picture of the world, everything is either diabolically black or celestially white" .


A. He means either right or wrong.
B. They represent propagandists, philosophers and the common people.
C. He means they are the basic colours in the world around us.
D. He means bad, good and doubtful matters.
[单项选择]In the 2nd paragraph, what is compared to a "black hole"


A. Large swaths of digital heritage.
B. Vital cultural artifacts.
C. Important digital material.
D. The lack of information.
[单项选择]What do you think of the black people in the U. S.
A. They form the most numerous minority.
B. They get married younger than the whites.
C. They have a higher death rate than the whites.
D. Most of them living in the countryside.
[单项选择]--What hurt your leg -- This black car ______.
[单项选择]According to the second paragraph, the formation of the Atlantic Ocean is the example of________.
A. spreading contacts
B. the influence of volcanic eruptions
C. converging contacts
D. transform contacts
[单项选择]The starting point for the formation of petroleum is-------that has accumulated in die sediments on the ocean floor.
A. marine plankton has decayed
B. the decay of marine plankton
C. when decaying marine plankton
D. marine plankton, the decay of which
[单项选择]According to the second paragraph, the formation of the Atlantic Ocean is the example of _______.


A. spreading contacts
B. the influence of volcanic eruptions
C. converging contacts
D. transform contacts

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