for example 与such as 如何用急求 谢谢

For example,BBC broadcasts English programmes for China with explanations in Chinese.例如,BBC对中国广播的英语节目配有汉语解释.
English is spoken in many countries,such as Australia and Canada.许多国家都讲英语,例如澳大利亚和加拿大.
这两个短语都可以作"例如"解.
(1) for example用来举例说明某一论点或情况,一般只举同类人或物中的"一个"为例,作插入语,可位于句首、句中或句末.例如:
Ball games,for example,have spread around the world.例如,球类运动已经在世界各地传播开了.
What would you do if you met a wild animal - a lion,for example?如果遇上野兽,例如狮子,你该怎么办?
(2) such as用来列举事物时,一般列举同类人或事物中的几个例子.插在被列举的事物与前面的名词之间,as后面不可有逗号.例如:
Some of the rubbish,such as food,paper and iron,rots away over a long period of time.有些废物,如剩饭、废纸和废铁,时间一久就烂掉了.