[简答题]Polar Bear How long the little bear staying with their mother 30 months

[简答题]Polar Bear The height of polar bear 2.5 to 3.0 metres

[简答题]Polar Bear 小熊在winter出生

[简答题]Polar Bear Why must the bear Bing leave 选A． Because the bear is belonging to another zoo.

[简答题]Polar Bear swimming speed 10 miles per hour

[简答题]Polar Bear 被动物组织评为At Risk

[简答题]Polar Bear The color of fur changes with seasons

[填空题]A baby polar bear named Knut at the Berlin Zoo is the epicenter of a debate about animal rights and the ethics of keeping animals in captivity. Knut and his brother were abandoned by their mother after being born at the zoo. Knut’s sibling died, and Knut himself would have died as well, had the zoo officials not intervened. The zoo workers have been bottle-feeding the bear, and providing it with nourishment and care. Yet certain animal-rights activists say that the bear would have been better off dead than raised by humans, and some go as far as to say that Knut should be killed. They believe that the current treatment of the bear is inhumane, and will lead to future difficulty for Knut in interacting with other polar bears. They argue that since the mother rejected the cub, the zoo workers should have abided by the laws of nature, and the cub should have been allowed to die. Others have argued that in light of the fact that polar bears are an endangered species, it makes sense to keep
A. A．explain how Knut became an orphan
B．exonerate the zoo workers
C．depict Knut’s caretakers as unprofessional
D．foster the impression that polar bear’s cannot exist in the wild
E．point out a counterargument to the zoo’s position

[简答题]Polar Bear 临时员工的职责？选C．Give information

[简答题]Polar Bear Why two bears in this zoo 选B．Have good facilities.

[简答题]Polar Bear Number of bears: from 21,000 up to 28,000

[单项选择]Nobody yet knows how long and how seriously the shakiness in the financial system will ______ down the economy.
A. put
B. settle
C. drag
D. knock

[单项选择]Nobody yet knows how long and how seriously the ____________ in the financial system will drag down the economy.
A. shallowness
B. shakiness
C. scantiness
D. stiffness

[单项选择]How long is one course

[单项选择]How long does the runs
A. Floor Eight and Nine
B. Floors Two, Three and Four of the annex
C. Floor Nine only

[单项选择]How long was Dilys late
A. Half an hour.
B. Twenty minutes.
C. One and a half hours.

[单项选择]People have wondered for a long time how their personalities and behaviors are formed. It is not easy to explain why one person is intelligent and another is not,or why one is (62) and another ’is competitive.
Social scientists are, of course, extremely interested in these types of questions. They want to explain why we possess certain characteristics and (63) certain behaviors. There are no clear answers yet, but two (64) schools of thought on the matter have (65) . As one might expect, the two (66) are very different from one another, and there is a great deal of (67) between proponents (支持者) of each theory. The controversy is often (68) to as "nature vs nurture".
Those who support the "nature" side of the conflict believe that our personalities and behavior patterns are (69) determined by biological and (70) factors. That our environment has (71) , if anything, to do with
A. solution
B. resolution
C. access
D. key