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【单选题】
It can be learned from the 6th paragraph that______.A.
old people are surprisingly willing to learn new things
B.
people should be both mentally and physically independent
C.
many non-users of Internet have never used the Internet
D.
social service organizations play important roles in helping the old
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A.
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【简答题】根据释义，写出相应的单词。 1. ____________ father and mother 2._____________ father or mother's parents 3._____________ mother's brother 4._____________ father or mother's sister 5._____________ uncle or aunt's ...