题目
Why is weather considered a chaotic system?
A.Because it is made up of random features
B.Because it is not yet very well understood
C.Because it is described by nonlinear equations
D.Because it does not have an orderly structure
第1题
Why does the author mention the economy in paragraph 6?
A.To contrast a simple system with a chaotic system
B.To provide an example of another chaotic system
C.To compare nonlinear equations with linear equations
D.To prove that all nonlinear systems are not chaotic
第2题
A.The weather
B.Politics
C.Earthquakes
第3题
A、religious preference
B、medical history
C、why they do not have children
D、the weather
第4题
A.The weather is very bad.
B.The Christmas holiday is coming soon.
C.The temperature is getting lower and lower.
D.It is not convenient for her to stay with his classmates.
第5题
According to the passage, it will be difficult to predict weather
A.unless we learn more about chaotic systems
B.because we don't have enough weather stations
C.without more powerful computers
D.until we understand the physical laws of atoms
第6题
A.A.Because of the uncertainty of the weather
B.B.the weather can be successfully forecasted
C.C.Because the weather is a subject which is quite safe to talk about
第7题
According to experts, why do people feel the pressure of having a perfect marriage?
A.Because people fear that their marriage will not be satisfactory.
B.Because if a marriage ends in divorce, it means that they are a failure.
C.Because they want to compete with others their happy marriage.
D.All of them.
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