外研版英語九上module11unit3languageinuse同步測試-wenkub.com
2024-11-28 20:47 本頁面
【正文】 One of the most important world problems is the growing population on the earth. The population of the world today is more than 6,500,000,000. That is a great number and we know it quite well. The important thing is not how lar ge the population of the world is now, but is the speed of the growth. It’s about % every year.] rth rate, look at the second hand of your watch. Every second, four babies are born in the world. Another baby! Another baby! Another baby! Another baby! You cannot speak quickly enough to keep up with the birth rate. The population is gro
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