单项选择题

Questions 27 to 30 are based on the passage you have just heard.
（）

A．How humans are to cope with global warming.
B．How unstable the West Antarctic ice sheet is.
C．How vulnerable the coastal cities are.
D．How polar ice impacts global weather.

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热门试题

单项选择题

One reason why pension and health care reforms are slow in coming is that （）

A．nobody is willing to sacrifice their own interests to tackle the problem
B．most people are against measures that will not bear fruit immediately
C．the proposed reforms will affect too many people’s interests
D．politicians are afraid of losing votes in the next election

单项选择题

（）

A．The low efficiency of their operation.
B．Competition from other modes of transport.
C．Constant complaints from passengers.
D．The passing of the new transport act.

Questions 27 to 30 are based on the passage you have just heard. （）

Questions 27 to 30 are based on the passage you have just heard.
（）