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Art ClassThis design and art course starts in early February and ends in late April. In this course you will learn to draw pictures of persons.When: From 7: 30 pm to 9: 00 pm every WednesdayWhere: Room 415, People CCWho: Children from 7 to 12 years oldCost: $ 180 for the whole coursePlease call Moon at 6978899 for more information.A Day Trip to Hydroponics FarmVisit Healthcliff Hydroponics Farm. Learn how vegetables grow without soil. You can buy vegetables at bargain prices, too. I’m sure you can pay less for what you want. The one-day trip is on February 8th, from 7: 00 am to 7: 00 pm.Cost平灭六国后，秦始皇“统一法度、衡石、丈尺。车同轨，书同文字”。其中“书同文字”是指把以下哪种字体作为全国统一的官方书体（ ）     A               B                C                D