单项选择题

Which of the following is NOT the cause mentioned in the passage that leads to the warm tem- perature in 2005

A．the increasing greenhouse gases
B．the presence of El Nino
C．the imbalance of the earth's energy
D．the Earth's increasing absorption of the Sun's energy.

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单项选择题

Which of the following about autism is NOT true

A．In the United States, rates of autism continue to skyrocket.
B．As many as 1 in 166 children born today is diagnosed with an autistic disorder.
C．Autism is the third most commonly diagnosed developmental disability in children.
D．The early diagnosis of autism is very important.

单项选择题

Which of the following can be inferred from the passage

A．After five years of intensive treatment, Adam has completely recovered.
B．Mental retardation can result in autism.
C．Parents should know some key symptoms of autism so that they can spot the disorder.
D．Diagnosing autism in children is not difficult.

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