名师英语四级翻译备考课堂笔记：(92)

　　1. _______________ (随着工商业的发展),the number of trees in many big cities has dramatically reduced.

　　2. Travel can widen our knowledge, _____________ (扩大我们的眼界),and make one open-minded as well.

　　3. Cars are responsible for most of the smog in cities, _______________ (这已经对环境造成了严重的污染).

　　4.Modernization will be entirely possible in the first half of the 21st century, as long as we ________________(坚持认为)that economic development is the center of all our work.

　　5. He was convinced on the basis of ____________(当时已出现的情况)that there would be a long and difficult struggle.

　　答案与解析：

　　1. With industries and business developing quickly

　　2. broaden our horizon

　　3. which has seriously polluted the environment

　　4. hold an idea/ insist on the idea/ stick to the idea

　　5. what had appeared by then