D．Foods in gas form.

　　解析：选B　细节理解题。根据第三段最后一句可知，到那时很多食物都是以药片的形式出现的。故选B。

　　8．The passage tells us that in 2060, ________ on the earth than now.

　　A．the crops are getting better

　　B．there are more pests

　　C．there are fewer people

　　D．there is less water

　　解析：选A　细节理解题。根据第四段的后两句可知，庄稼不再遭受害虫的侵袭，每年都是大丰收。故选A。

　　C

　　(2016·河北省唐山市统一考试)Hybrid cars (混合动力车) are cars that run on petrol and electricity. They have a small standard petrol engine and a battery (电池) electric motor to provide electric power.

　　There are some differences between different models of hybrid cars, but the general principle is that the car runs on petrol, and the electric motor kicks in when additional power is required, for example, when going uphill or accelerating. In some hybrid cars the petrol engine turns itself off when not needed, for example when the car has stopped at traffic lights, keeping only the electric engine running.

　　Conventional cars have large engines to deal with driving uphill and accelerating. Hybrid cars have much smaller petrol engines, improved by electric motors when needed, so they use less petrol. Another way that fuel consumption is cut is by a system of “regenerative (再生的) braking”. The electric motor is used to slow down the car, rather than conventional brakes. The energy produced by slowing the car is changed into electrical power, which is automatically stored in the battery. In effect, the battery recharges when you brake. In conventional cars the energy produced when braking is wasted.

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