( Li Lei and his classmates are in a museum. Now he is introducing an invention to a foreign student.) Melissa: Look! This looks so interesting. There are dragons (龙) and frogs on it. Li Lei: Ah, it"s a great __1__ of ancient China. Melissa: Really? __2__? Li Lei: I think it was invented in Han Dynasty (汉朝). Melissa: __3__? Li Lei: Guess! Melissa: Was it used for holding water? Li Lei: No. It was used or testing earthquakes. Melissa: Really? But how? Li Lei: Read this instruction, and __4__. Melissa: Wow, it"s really __5__. The Chinese are great. |