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【单选题】
Match the right sentence to the sign.A.
Look out for animals on the road.
B.
Traffic lights ahead
C.
No cycling on this road.
D.
Be careful ! There are road works ahead so there might be traffic delays.
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举一反三
【单选题】. _____ all over the hills and around the lake are wild flowers of different colors.
A.
Grow
B.
To grow
C.
Growing
D.
Grown
【简答题】电流分直流和交流两大类,凡电流的大小和方向都随时间的变化而变化的电流称为 电流,;凡大小和方向恒定不变的电流称为 电流,。
【简答题】电流分 和 两大类,凡 ,简称 ;凡 ,简称 。
【简答题】电流分为 和 两大类,凡 的电流称为交流电流,简称交流;凡 称为直流电流,简称直流。
【简答题】电流分 和 两大类。 ,简称 ;凡 ,简称 。
【简答题】电流分 和 两大类,凡 的电流称为 ,简称 ;凡 的电流称为 ,简称 。
【多选题】When there is something wrong with a passenger’s IC card, what should a station officer do?
A.
A station officer should check if the passenger touch the card in the right way.
B.
A station officer should guide the passenger to the customer service center to change the card If the passenger’s card is broken.
C.
A station officer should guide the passenger to the ticket office to check the card If there is no entrance on the passenger’s card.
D.
A station officer should ask the passenger to buy another ticket right away.
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