在某市美食一条街上，来自河南的小悦同学看到挂着“鲁菜”、“川菜”、“湘菜”、“粤菜”“豫菜”等招牌的餐饮店，如果他想吃家乡菜，他应该进哪种招牌的餐饮店（　　）

听短文，在短文中填写所缺单词
    Tom is a____boy. He is eleven years old. He's two years younger than his____, Jim. Tom is 150cm and Jim is 160cm. Jim is 50 kilos and Tom is 60 kilos. Tom wants to lose some weight, so he tries not to eat too much____. He also____more exercise than____.
    ____morning he gets up earlier than Jim and he goes____for____minutes. He usually does it after school. After dinner, Tom often goes for a ____, and Jim likes____at home. Now Tom is much____than Jim. Jim thinks he____more exercise now. He and Tom will do exercise tighter.

我国将于2022年举办冬奥运会，跳台滑雪是其中最具观赏性的项目之一，如图所示，质量m=60kg的运动员从长直轨道AB的A处由静止开始以加速度a=3.6m/s²匀加速下滑，到达助滑道末端B时速度v_B=24m/s，A与B的竖直高度差H=48m．为了改变运动员的运动方向，在助滑道与起跳台之间用一段弯曲滑道衔接，其中最低点C处附近是一段以O为圆心的圆弧，助滑道末端B与滑道最低点C的高度差h=5m，运动员在B、C间运动时阻力做功W=﹣1530J，取g=10m/s²．

用含¹⁸O 的葡萄糖跟踪有氧呼吸过程中的氧原子，¹⁸O 转移的途径是（    ）。

“复恐匆匆说不尽，行人临发又开封。”这句话中，“行人”的意思是（     ）