英语作文中常用的名言俗句【一】
也叫下定义。有时为了突出事物的主要内容和主要问题，往往用简明扼要的话给事物下定义，使读者对被说明对象有个明确的概念。例如《统筹方法》一文中，作者运用了下定义的说明方法，给统筹方法下定义：“统筹方法，是一种安排工作进程的数学方法。”语言简明、扼要、准确。英语作文中常用的名言俗句【二】
1。 It is considered /thought that人们（有人，大家）认为
2。 It is generally /usually accepted /agreed/recognized that普遍（一般，通常）认为
3。 It is believed that有人（人们，大家）相信
4。 It is well—known that大家知道（众所周知）
5。 It is said that据说（有人说）
6。 It is learned that据闻（悉）
7。 It is supposed that据推测
8。 It is estimated/predicted/calculated that据估计（预计）
9。 It must be pointed that必须指出
10。 It is reported that据报道
11。 It must be admitted that必须承认
12。 It will be seen that可见（可以看出）
13。 It will be seen from this that由此可见
14。 It is understood that不用说（都知道）
15。 It can not be denied that无可否认
16。 It has been proved/demonstrated that已经证明
17。 It may be confirmed that可以肯定
18。 It may be safely said that可以有把握地说
19。 It is sometimes asked that人们有时会问
20。 It is expected that/hoped that人们希望
21。 When it comes to要说到，要谈及
英语作文中常用的名言俗句【三】
也叫引资料。引用一些文献资料、诗词、俗语、名人，可使说明更具说服力。例如《中国石拱桥》一文，就引用了唐朝张嘉贞的话，说明赵州桥的设计和施工巧妙绝伦。英语作文中常用的名言俗句【四】
It was Sunday. Our teacher Mr Zhu led us to a park nearby.Usually we go to the park to spend our holiday. But today we went there to take part in voluntary labour.
We got there at nine o'clock. Mr Zhu divided us into three groups and then we began working.
The students in Group One planted trees and watered flowers. The studentsin Group Two were busy collecting litter left by the tourist. They also cleaned the benches in the park. I was in Group Three. We went to the children's playground and cleaned all the equipment there. We worked very hard.
At about eleven we finished working. We met at the gate of the park. We all felt tired but very happy.
