divide 和separate 的区别：
1，divide 划分；把整体分成若干部分，常和介词into连用。divide...into... 往往是指把某个整块分割为若干部分。
如： The world is divided into five continents. 世界分成五大洲。
2，separate 分隔；把原来连在一起或靠近的分隔开来，常和from连用。separate...from... 表示“将……与……分开”，指把原来连在一起或接近的部分分隔开来。
如： The grinding machine separates the grain from the husk. 碾谷机把米和糠分开。
1、This patient should be separated from the others. 这个病人应该隔离。
The two countries are separated by a river. 这两个国家相隔一条河。
2、The world is divided into seven continents. 世界被分成七大洲。
A year is divided into four seasons. 一年分为四季。
C 1. ____from older continents for millions of years, Australia has many plants and animals not found in any other country in the world．
A．Being separated B．Having separated C．Having been separated D．To be separated 05湖北
B 2. Hospital staff burst into cheers after doctors completed a 20-hour operation to have___ one-year-old twins at the head.
A. isolated B. separated C. divided C. removed 04上海
A 3. As we joined the big crowd I got ______ from my friends.
A. separated B. spared C. lost D. missed 01全国
D 4. “The interest ______ be divided into five parts, according to the agreement made by both sides,” declared the judge.
A. may B. should C. must D. shall 04重庆