单选题The contrast of the situations in the two sections of Thi-Lor-Su road to the waterfall implies that we should ______.A
make rules and regulations for rubbish controlB
realize that environmental protection is an idealC
encourage environment-friendly pac
题目
单选题
The contrast of the situations in the two sections of Thi-Lor-Su road to the waterfall implies that we should ______.
A
make rules and regulations for rubbish control
B
realize that environmental protection is an ideal
C
encourage environment-friendly packaging
D
raise the environmental awareness of tourists
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