Good morning, everyone! Welcome to Cool Food Store. Christmas Day is next Sunday. Our 1is on sale for Christmas.2and have a look. We have hamburgers3 only 7 dollars. Do you like snacks（零食）? We 4 all kinds（种类）of snacks. You can also buy vegetables at our store—potatoes, 5 They are all 6. Our drinks（饮料）are all at good 7 Juice is 2 dollars. Coke is 3 dollars. How much is our milk? Oh, it's only 1 dollar. Do you need fruit? Come to our store. We have many fruits, like（例如）oranges, pears and strawberries. Our store is open（营业的）8 9:00 am to 9:00 pm every day. 9 want it, we have it. Come to our store to buy some of your favorite food. Then you can have a10dinner with your family on Christmas Day.

读我国西北、青藏地区图，回答下列问题

子弹水平射入静止在光滑的水平面上木块中，进入木块的最大深度为d．若在子弹深入木块直到最大深度的过程中，木块沿桌面移动距离为L，木块对子弹平均阻力大小为f，那么在这一过程中，阻力对子弹的功为____，木块获得的动能为____．