大花蕙兰成年植株在6月夜间温度控制在15°C以下花芽分化
A.
it is impossible to have traffic-free streets
B.
people should keep away from their cars
C.
it’s funny to get around the city without cars
D.
each day should be like World Car Free Day
September 22 is a day ______.A.
when cars cause no damage to the earth
B.
when we can go on separate holidays
C.
that reminds us to drive our cars less
D.
that tells us to refuse to drive any cars
According to Carlos Pardo, _______.
A.
it is impossible to have traffic-free streets
B.
people should keep away from their cars
C.
it’s funny to get around the city without cars
D.
each day should be like World Car Free Day
September 22 is a day ______.
A.
when cars cause no damage to the earth
B.
when we can go on separate holidays
C.
that reminds us to drive our cars less
D.
that tells us to refuse to drive any cars
参考解析：
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