By "human intervention"（Para. 2), the author refers toA．the reduction of great energy wast

Researchers have come to believe that dreams

A．can be modified in their courses.

B．are susceptible to emotional changes.

C．reflect our innermost desires and fears.

D．are a random outcome of neural repairs.

The word "covet" in Paragraph 3 most likely means

A．need.

B．desire.

C．lack.

D．value.

In the second sentence of Paragraph 1, "all this" refers to

A．the habit of napping.

B．the standardizing of work hours.

C．the decline of the siesta tradition.

D．the growth of global capitalism.

It can be concluded from the experiments that

A．dog handlers are more likely to be distracted than their dogs.

B．dogs may act in response to their handlers" bodily signals.

C．the cooperation between dogs and their handlers is key to success.

D．well-trained dogs can better understand their handlers" signals.

What was most significant about the experiments, according to Dr. Lit?

A．The location of the false alerts.

B．The regularity of the false alerts.

C．The number of the false alerts.

D．The timing of the false alerts.

Lisa Lit and her colleagues

A．questioned the "Clever Hands" effect.

B．discovered the "Clever Hands" effect.

C．confirmed the "Clever Hands" effect.

D．rejected the "Clever Hands" effect.

The "so-called fight-or-flight response"(Para. 1)refers to

A．the biological process in which human beings" sense of self-defense evolves.

B．the instinctive fear human beings feel when faced with potential danger.

C．the act of evaluating a dangerous situation and making a quick decision.

D．the elaborate mechanism in the human brain for retrieving information.

What does the author mean by "Nature is indifferentto humannotions of fairness"(Para 2)?

A．Nature is quite fair regarding the survival of turtles.

B．Turtles are by nature indifferent to human activities.

C．The course of nature will not be changed by human interference.

D．The turtle population has decreased in spite of human protection.

We can learn from the first paragraph that

A．human activities have changed the way turtles survive.

B．efforts have been made to protect turtles from dying out.

C．government bureaucracy has contributed to turtles" extinction.

D．marine biologists are looking for the secret of turtles" reproduction.

degree and an ideal job. You should write about 100 words on the ANSWER SHEET. Do not sign your own name at the end of the letter. Use "Liu Jia" instead.(10 points)