【正文】
1 英語句子結(jié)構(gòu)練習(xí) 1 . The United Nations held a meeting. 2 . Representatives from more than one hundred countries discussed some of the most important problems facing our pla. 3 . Several Earth Summits have been held. 4 . Much progress has been made. 5 . The Earth Summit was held in Johannesburg in South Africa. 6 . One of the main themes of the summit was “sustainable development”. 7 . How we can continue developing the world without damaging the environment. 8 . Experts from all over the world spoke about different topics. 9 . Experts from all over the world discussed new ways to solve problems. 10 . Most of the speakers talked about the “big three”. 11 . The big thre