摘要:用方框中所给单词的适当形式填空. cause.growing.more.face.but.born.keep.watch.mouths.number A very important problem is the growing population on the earth.The population of the world today is 1 than 6.5 billion.That is a great 2 and we know it quite well.The important thing is not how large the population of the world is now. 3 is the rateof the growth.It is about 1.63 percent every year after the number of dead people has been taken away. Look at the second hand of your 4 .Every second more than 4 babies are 5 in the world.Another baby! Another baby! Another baby! You can’t speak quickly enough to 6 up with the birth rate.The population is 7 faster and faster.So it goes on.hour after hour.In one day.people have to find food for over 350.000 8 . This great growth of population will 9 a big problem by the year 2010--there will be as many as 7.000.000.000 people on the earth.So this is one of the biggest problems you are going to 10 in your life.1. 2. 3. 4. 5.

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