重点讲解：
1.do the same job 其同样作用
例句：We cannot afford the risk of losing a class of first-rate insecticides with no suitable replacements ready to step in and do the same job.
我们无法承受在失去这类一流杀虫剂的同时，没有适当的替代品加入进来并起到同样的作用。

2.search for 寻找
例句：Once the child is ready to go, I search for my keys.
一旦孩子准备好了，我就开始找钥匙。

3.be made of 由……制成
例句：The door and parts of the fixed part may be made of perforated sheet metal.
门和固定部分的多个部分可由穿孔金属板制成。

4.that counts 那才重要
例句：It's not how much you read but what you read that counts.
不是你读的量而是你读的内容重要。