--The cars give off a great deal of waste gas in the streets. --Yes. But I'm sure somethin
A.reduce
B.remove
C.collect
D.warn
A.reduce
B.remove
C.collect
D.warn
Ⅰ. At a pedestrian crossing:
a) When you have stepped off the pavement on to a zebra crossing, traffic must stop to let you cross. But don't be foolish: make sure that drivers have enough time to give way to you.
b) If a police officer is directing the traffic, watch for his signals. Do not cross until he holds up the traffic.
c) At a crossing with traffic lights, do not cross in front of traffic which has the signal to go.Ⅱ. At a bus or tram stop:
If you want to get on a bus or a tram' give a clear signal for it to stop and do not step into the road until it has done so. When you get off a bus or a tram and wish to cross to the opposite side of the road, do not walk behind the vehicle. Wait until the vehicle has moved off and make sure there is no other traffic before you cross the road
According to the passage, at a pedestrian crossing you should not ______.
A.expect cars to stop for you
B.cross without giving the driver enough time to stop
C.step off the pavement
D.expect drivers to give you enough time to cross
The author believes that carpooling ________.
A.can give help to those without cars
B.can save people money and time
C.can save energy resources and reduce air pollution
D.can promote friendship among drivers
A.give over
B.give off
C.give back
D.give up
If you don't () smoking you Will never get recovered.
A.give off
B.give in
C.give out
D.give up
A. give up
B. give off
C. give in
D. give out
If you don't give ______smoking, you'll never get better.
A. off
B. up
C. out
D. in
A.put up
B.give up
C.took off
D.turn on
A.see him off
B.show him around
C.give him a message
D.ring him up