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9A Unit 2 Colours Class _ Name _ Comic strip & Welcome to the unit 课堂随练 1、 根据提示,填写适当的单词 1. I spent a meaningless weekend, doing n_ but watching TV and sleeping. 2. I like the p_ flower called “forget-me-not”. 2、 单项选择 ( ) 1. — Purple doesn’t look good _ you, but you look cool _ black. — Really? Let me try. A. on; on B. in; in C. in; on D. on; in ( ) 2. — Would you like to come to my par ty on Saturday, Dan? — Well, I’m not sure _ I can come, but I’ll try. A. if B. when C. how D. why ( )3.We found this book_for a six-year-old child to read. A.enough easy B.enough easily C.easy enough D.easily enough ( )4. Forgive me for not knowing the rules. I’m a _ hand, after all. A. green B. red C. indigo D. blue 课后巩固 1、 适当形式填空 1. -Can you answer the phone? I _ (do) the dishes. -I’m coming, Mom. 2. The film he devoted all his life time to _ (appear) on the screen at last. 3. Many people in our town will dance on the square if it _ (not be) rainy in the evening. 4. —Oh dear! My mobile phone has turned into a brick. It’s not working at all. —Well, it _ (happen). Take off the battery and put it back on later. 2、 句型练习 1. 一道彩虹里有多少种颜色? How many colours _ _ in a _? 2. 你知道世界上有多少国家吗? Do you know how many countries _ _ in the world? 3. 这双鞋看起来很好看。为什么不穿上试试呢? This pair of shoes _ _. Why not _ _ _? 3、 完形填空 There are purple clothes, purple handbags, purple bicycles, purple furniture, even purple computers! So purple is one of the most _1_ colours today. But in the past, purple was a very expensive and unusual colour. Let’s take a look at the rich _2_of the colour purple.Some scientists believe that the first plants to appear on Earth over 500 million years ago _3_ looked purple, not green. Plants today are green because _4_ use green chlorophyll (叶绿素) to produce energy. _5_ these early plants probably used something called retinal, which is a dark purple colour.During the time of the Roman Empire, it was very _6_ to make purple dye (染料). The dye came from sea snails (海螺). But 10, 000 dead sea s