单项选择题

Questions 1--3 Choose the best answer.
The author of this article believes ______.

A．ageing is a problem for developed countries
B．ageing is a social issue involving the roles of women
C．demographic revolution will take place in two generations
D．people follow chronological rules to assume the roles of grandparents in 4-generation families

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多项选择题Ageing of the population permeates all ______ spheres.

Ageing of the population permeates all ______ spheres.

单项选择题What is implied by the example of BT’s Big Button telephone

A．Abled people also prefer the design and usage of this telephone.
B．This telephone is designed with disabled people in mind.
C．The designing of this telephone was motivated by consumer’s request.
D．Consumers now posses the power to turn something old into something trendy.

Questions 1--3 Choose the best answer. The author of this article believes ______.

Questions 1--3 Choose the best answer.
The author of this article believes ______.