[单项选择]An annual census of wolves at Yellowsto ne National Park has found a sharp drop in the population. But park biologists, who suspect a deadly disease, canine parvovirus, say they will let nature take its course. "Parvo can be vaccinated for and can be treated, but we wouldn’t do it because we couldn’t catch every animal," Daniel Stahler. a park waif biologist, said. "And this allows them to build up a natural resistance."
The census found 22 pups, compared with 69 last year. The total count of wolves dropped m 118 from 171, the lowest since 2000. "It was somewhat devastating to have such poor pup survival," Mr. Stahler said. "But research shows that young pups can bounce back from it quite successfully." That pups have suffered the decline seems to suggest the culprit is parvo, said Ed Bangs, waif recovery coordinator for the United States Fish and Wildlife Service here. Nursing pups receive immunity from their mother’s milk. but the immunity drops when nursing stops.
The larg
A. devastating
B. natural
C. adjustable
D. abnormal

[单项选择]

An annual census of wolves at Yellowsto ne National Park has found a sharp drop in the population. But park biologists, who suspect a deadly disease, canine parvovirus, say they will let nature take its course. "Parvo can be vaccinated for and can be treated, but we wouldn’t do it because we couldn’t catch every animal," Daniel Stahler. a park waif biologist, said. "And this allows them to build up a natural resistance."
The census found 22 pups, compared with 69 last year. The total count of wolves dropped m 118 from 171, the lowest since 2000. "It was somewhat devastating to have such poor pup survival," Mr. Stahler said. "But research shows that young pups can bounce back from it quite successfully." That pups have suffered the decline seems to suggest the culprit is parvo, said Ed Bangs, waif recovery coordinator for the United States Fish and Wildlife Service here. Nursing pups receive immunity from their mother&rsq
A. they will vaccinate the wolves
B. they have no method to deal with the disease
C. they will build up a natural resistance
D. they will not take any measure

[简答题]普查(census)

[单项选择]

COMMUNITY ANNOUNCEMENTS
Census night is November 8. Remember to fill in the census form you received in the mail to make sure that you and your family members are (144) .Tick off one of the boxes asking you whether you are married or, if you are single, and specify the number of (145) you have if you are married, in the space provided. Previous census forms have been quite confusing, and (146) residents did not respond accurately, leading to the gross under-reporting of our actual

144（）
A. accepted
B. counted
C. granted
D. understood

[单项选择]The latest census is encouraging.
A. count
B. statement
C. agreement
D. estimate

[单项选择]Annual Leave
There will be 30 days paid annual leave plus 10 days public and privilege holidays.
The employees are entitled to
A. 20 paid holidays each year．
B. 30 paid holidays each year．
C. 40 paid holidays each year．