A．made out B．picked up C．gave up D．took in

2．drop of (一个个)散去；走掉；让某人下车；下车

We dropped our luggage off at the hotel and went sightseeing

The demand for mobile phones shows no signs of dropping off．

引申：drop in 顺便来访drop sb．a line写短信寄给某人drop behind 落后drop out中途放弃

Just drop me at the station，please．

A．out B．away C．on D．for

3．The maglev train is powered by magnets．

power：verb，给...提供动力，用动力发动

Buses and trucks are usually powered by diesel engines．

In the future electricity，will be used to power road vehicles

Look at these pictures and discuss the different means of transport and when they became popular．

means：n．方法，手段，工具

The quickest means of travel is by plane．

she could find no means of escape other than jumping out of the window．

引申：by means of依靠，凭借by no means决不，by this means通过这种方法

自我检测：

Every means tired out，but it doesn't work．

　　A．is B．has been C．are D．have been

Though rich，he was better off than at any other period in his life．

A．by any means B．by some　means C． by all means D．by no means

Homework

　　1．Finish the part Al and A2 of the work book．

　　2．Prepare the Reading．