(1) The lead-in method: the teacher can show some pictures of twins and ask students to compare the twins by using the comparative patterns, during which the teacher can give students some help with words.

(2) The leading language: Good morning, everyone. How is your day? Great! Ok, now let me ask you a question. Do you know what twins are? Right, some of them look like the same one, right? So how can we tell the difference between them? Today we are going to learn some new words that can be used to describe personal traits and we can sue these words to describe different people. Let's look at the first picture, what differences between the twins? Great! The left one is taller than the right one. And how about the second picture? Any volunteer to describe? ...