单项选择题

Why are scientists concerned about the population of California sea otters according to the passage

A．It has been growing at too fast a rate.
B．Its growth rate has been steadily decreasing.
C．Its growth rate is not as fast as that of the Alaska sea otters.
D．It has been greatly reduced by oil spills and other forms of pollution.

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热门试题

单项选择题

What do we know about the man's work and place of work

A．He was a doctor working in a city.
B．He was a doctor working in the country.
C．He was an artist working in Dublin.
D．He was an artist working outside Dublin.

单项选择题

After coming out of the art gallery and reaching his car, the man felt, above everything else______.

A．greatly relieved, and called himself a fool for having gone into the gallery
B．deeply sad, and fell into nostalgia about his past life and lost romance
C．extremely mortified, and worried that he had been seen by one of his clients
D．very frightened, and couldn't clear his mind of the terrible image of the woman