A too weak and ill B hunting and gathering cultures C childhood diseases D no one at home E epidemic diseases F traditional cult

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问题 A too weak and ill
B hunting and gathering cultures
C childhood diseases
D no one at home
E epidemic diseases
F traditional cultures
When older people become______to care for themselves, they create grave problems for their families.

选项

答案A

解析 第四段第一句讲到,在如今的社会老人生病或变得虚弱会给家庭带来很大的负担。因此选项A是正确的。
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