According to the passage, what was one disadvantage of residential expansion?
A.It was expensive.
B.It happened too slowly.
C.It was unplanned.
D.It created a demand for public transportation.
The writer implies that one disadvantage of town shops is that ______.
A.their prices are higher
B.people cannot telephone them
C.their staff may take less trouble to satisfy customers
D.one has to queue up to pay in them
One disadvantage of reusing treated wastewater is .
A.its cost is too high
B.its productivity is too low
C.the resulting water is not ultra-pure
D.the method is not logical
A.less convenience
B.higher operation costs
C.less competition
D.more joint marketing
A.advantage
B.disadvantage
C.practice
According to the passage, what was one disadvantage of residential expansion?
A.It was expensive.
B.It happened too slowly.
C.It was unplanned.
D.It created a demand for public transportation.
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