Railroad tracks（軌道）are owned by the railroad company．This means that you may not play, walk，skate or ride a bike on the railroad．It is also unsafe．

There are places where the railroad tracks crosses roads or streets．Maw of these railroad crossings are marked with one of the following signs（標牌）．

	This sign means you are coming to a railroad crossing. Always look both ways and listen carefully to be sure a train is not coming from either direction  before crossing the tracks.
	Many railroad crossing have a gate with flashing lights that close when a train is coming. NEVER go around a closed railroad gate. NEVER try to get across the tracks before the train gets there
	Some crossings, which don’t have gates, may have this sign. When the lights are flashing, a train is coming, You should wait until the trains have passed before trying to cross the tracks.

Pay attention when crossing railroad tracks：

●  Railroad tracks are uneven（不平的）．You should not try to take a bike or run when crossing tracks．

●Trains are very large and heavy, and take a long time to stop．

●Sometimes when a train has just passed from one direction，another train may be coming from the opposite direction．You might not notice the second train because of the noise from the first train．

1．We should__________ when we see sin1

A．go past the railway crossing as quick]Y as possible   

B．stop to wait for a train to pass。

C．make sure a train is not coming before crossing      

D．sit down to have a rest

2．The underlined word“ direction” means_______

A．說明    B．方向    C．前方    D．信號燈

3．Which of the following is TRUE?

A．GO across the railroad tracks after a train has just passed

B．It isn’t easy for a train to stop during its moving．

C．When the lights are flashing．people can cross the tracks．

D．You can’t not play on the railroad just because it is owned by the railroad company .

4．What can we learn from the passage?

A．We Call see lots of railway signs in our City．

B．Since the gate of the railroad crossing is closed．We can cross it at any time

C．It’s right to stop until we go near the train．

D．It is very dangerous for us to play, run or ride a bike on the railroad．

5．What is the best title of the passage?

    A．How to Cross the Railroad Tracks Safely     B．Pay Attention to Some Signs

    C．Don’t Play on the Railroad Tracks           D．How to Protect the Railroad Tracks