题目内容

helping to 3)______________ and save energy.

A. prove security
B. improving security
C. proving security
D. improve security

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For example, lighting can be dimmed or adjusted according to 4)___________.

A. the weather
B. weather
C. the whether
D. whether

Smart Parking:The Smart Parking Project allows you to 5)______ your parking spot

A. reserve
B. book
C. booking
D. have

in advance in 6)____________________.

A. private or public spaces
B. private or public space
C. private spaces
D. public spaces

It enables drivers to spend less time looking for parking and 7)___________________.

A. reduce air pollution
B. reduces pollution
C. reduces air pollution
D. reduce pollution