The example of "the baiji" is cited to show that ______.
A. the habitats of dolphins are restricted to rivers and deltas
B. Yangtze River is no longer a suitable habitat for dolphins
C. the extinction of animals is due to the activities of people
D. dolphins living in rivers are most vulnerable to extinction
查看答案
The author suggests that English is
A. pre-eminent rather than vulnerable
B. an international language for good
C. sure to decline in the distant future
D. the lingua franca in China and India
It may sometimes be difficult______.
A. to determine how a deaf person communicates
B. to choose the appropriate option to communicate
C. for a deaf person to communicate in sign language
D. for us to attempt to communicate with a deaf person
The long term threat Irrawaddy dolphins are faced with is______,
A. the rising salinity of the water they live in
B. the higher sea levels due to global warming
C. the inevitable erosion of Himalayan glaciers
D. the final disappearance of the species" habitats
哪一项不符合护士值班制度()
A. 临床各科及急诊科均实行24h值班制
B. 护士应按照周排班表进行值班
C. 值班护士应认真履行病区管理制度
D. 门诊可根据实际工作需要合理排班
E. 医院各科均实行24h值班制