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全部 5 條題目已經喺晒度——免費註冊即可採用呢個題庫，同全班開玩。
1
What can smart devices help people do?
A
Waste time
B
Save time
C
Make more noise
D
Produce more waste
2
What can smart street lights do?
A
Turn off automatically
B
Make more pollution
C
Make more noise
D
Produce more waste.
3
What can we find in sustainable cities?
A
More rubbish
B
More pollution
C
More green spaces
D
More traffic jams
4
Which transport is environmentally friendly?
A
Electric buses
B
Old cars
C
Noisy motorbikes
D
Polluting vehicles
5
Why do you want to live in a smart and sustainable city?
A
Because it is dirtier
B
Because it has more pollution
C
Because it is less convenient
D
Because it is cleaner and healthier