A

Mike works very long hours every day. He usually gets up at 17:00. He has a shower and makes his breakfast. What a funny time to make breakfast! After breakfast he practices his guitar. Then he puts on his jacket and goes to work. To get to work, he takes the number 17 bus to the Star Hotel. The bus usually leaves at 19:15. He works all night. People love to listen to him! He gets home at 7:00, and he watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man. Can you think what his job is?

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先化简：$\frac{x^2+x}{x^2-2x+1}$÷（$\frac{2}{x-1}$﹣$\frac{1}{x}$），再从﹣2＜x＜3的范围内选取一个你最喜欢的值代入，求值．

读图，a、b、c分别表示影响城市区位的气候、地形、河流因素，箭头方向表示越来越好。下列城市区位与图中字母搭配最恰当的是（   ）

Put on your shirt．

面对满地落花，我们一切顺利时，会有“草木知春不久归，百般红紫斗芳菲”的感受；而当我们备受冷落时，则会引出“一朝春尽红颜老，花落人亡两不知”的忧伤情绪。这说明（    ）