Which of the following is true about autism?
A.Autism usually manifests during the first two years of life.
B.Autism is decreasing rapidly.
C.Autism is a neurodevelopmental disorder.
D.Autism is genetically caused.
Which of the following is true about autism?
A.Autism usually manifests during the first two years of life.
B.Autism is decreasing rapidly.
C.Autism is a neurodevelopmental disorder.
D.Autism is genetically caused.
The two beams have the same l, b and P. The cross sectional height of the first beam is two times of that of the second one. The maximum normal stress in the second beam will be () of that of the first one.
A、2 times
B、4 times
C、6 times
D、8 times
The advertisements mean______.
A.it is possible to learn a foreign language in less than two months
B.pronunciation is more important in language learning
C.you will learn a lot on the first day
D.anyone can learn a foreign language without much money
A.departed radically in tone and style. from earlier textbooks
B.mentioned for the first time the value of liberty
C.treated traditional civic virtues with even greater reverence
D.were commissioned by government agencies
A.He was not the first one coming in asking for the same articles.
B.There is not even an article available for him.
C.He didn't know the girl in the black sweater.
D.He hasn't read any of the articles yet.
A、hasty generalization
B、post hoc
C、guilt by association
D、oversimplification
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