Learing objectives:

1.  Talk about the necessity of research on animals;

2.  Learn to read the articles of argumentative essay;

3.  Learn to apply the phrases and patterns via this passage.

基础知识：

拓展内容：

Assignment:

1. Read the text carefully and pay attention to the pronunciation of every word.

2. Finish the excersises after this passage on textbook: part 1, 2 &6.

利用文章中的重点句式或句式中的关键词将下列汉语句子翻译成英文：

1、照现在的样子我们有许多事情感到害怕，一旦开始，其实也没那么糟糕。

2、当一个男人大笑着将啤酒倒在另一个男人头上时，他们正边看边咧着嘴笑。

3、但是整个援助问题是个棘手的政治问题。

参考答案：

1. As is the case with many things we fear, once underway, it's not all that bad.

2. They were grinning and watching while one man laughed and poured beer over the head of another.

3. But the whole question of aid is a tricky political one.