refer to/refer…to
1、recognize vt. 辨认出；承认
Do you recognize his hand writing? 你能认出他的笔迹吗？
They recognized him to be a great leader. 他们承认他是一位伟大领袖。
He didn’t recognize that he had made a big mistake. 他不承认自己犯下了大错。
2、reduce
reduce the number of 减少……的数量；
reduce t he cost/ one’s weight the price/ speed 降低成本/ 减肥/ 降价/ 减速
注意：reduce是increa的反义词。与by连用表示“减少了多少”；与to连用则表示“减少到多少”。
完成句子
①今年吸烟人数已减少了30%
The number of smokers has been reduced _________30%.
②现在一辆自行车的成本已降低到50美元。
Now the cost of a bike has been reduced _______50 dollars.
Key:①by ②to
3、refer to/refer…to
1）refer 可用作及物动词，用于refer…to，表示“将……提交给”。如：
refer this problem to the schoo l. 把这个问题提交学校。
refer the matter to the United Nations. 将这件事情提交联合国。
2）refer 表示“谈到，涉及；查阅，参考，指”时是不及物动词，需用refer to结构。如：
The book which you referred to is not in the library. 你所指的那本书不在图书馆。
His report refers to the situation in the Middle East. 他的报告谈到中东的形势。
短语：refer to the map/ one’s notes/ the dictionary 查阅地图/ 参考笔记/ 查字典
注意：look up word in the dictionary 查字典
对比：refer to 指语言、内容与某人（物）有关；而point to表示用手指向某人（物）。如：
I didn’t know whom she was referring to.我不知道她指的是谁。
She pointed to the map and explained to the students. 她指着地图给学生做出解释。
完成句子
①我在加拿大时，一位朋友经常提起白求恩大夫。
A friend of mine often ______ _______ Dr.Bethune when I was in Canada.
②两国把这件事提交给了联合国。
The two countries. _______the matter _______the United Nations.
Key:①referred,to ②referred,to
