单项选择题

Section B
Passage One
What is the major problem of many elderly couples

A．They have not enough money.
B．They have to leave home.
C．They feel useless and lonely.
D．They have no children or relatives.
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单项选择题
What convenience can the new intelligent house bring to one’s life
A．The door will open with just a touch of the finger.
B．The refrigerator can figure out how much milk to buy.
C．The robot can do all the housework very efficiently.
D．The house can put out a fire in a very short time.
填空题
The spontaneous individuals are most probably people who______.
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