精选优质文档-倾情为你奉上第三课1. China has joined the multilateral group controlling the export of nuclear materials and technology in an important step to bring its policies on proliferation in line with those of Western powers.2. Beijing, Chinas capital, has become the latest of several industrial centres to fall victim to electricity shortages, with authorities preparing to impose rolling blackouts on some 6,400 factories from yesterday until the end of August.3. The rate of increase in China
