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_____________________________________. 5.我們應(yīng)該選擇使我們感到舒服的顏色。 九年 級 上 冊單 元 課時當 堂 訓練 Unit 2 Period 4 參考答案 一、 單項選擇。 ( ) 1. This pair of jeans looks nice _____Sandy because she looks very nice ____ blue. A. on ,in B. in ,on C. for ,on D. to ,in ( ) 2. If you walk into a room with blue walls ,you will feel ____,because blue is a calm colour. A. excited B. stressed C. surprised D. relaxed ( )3. Everyone knows ________humans need water, food and air to survive. A. if B. that C. What D. it (