A、
Millions of cars on road welcomed the New Year.
B、
Private cars were restricted to drive in turn.
C、
SUVs were imposed high taxes.
D、
The sales of private cars decreased.
【正确答案】
B
【答案解析】
A、
High pollution levels in Delhi.
B、
The need of improve public transportation.
C、
People burned too much crops.
D、
Some coal-fired plants shut down.
【正确答案】
A
【答案解析】
A、
It can go deep to the lung and cause health problems.
B、
The public do not care about its existence.
C、
The problem has not yet attracted attention from policy makers.
D、
Delhi was found to have a low concentration of the particle.
【正确答案】
A
【答案解析】
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