30-20-44
Reading
1.( Before have JJ )讲BLUEBIRD。先讲其它颜色羽毛的鸟,呈现各种颜色的原因。后来再讲了BLUEBIRE呈现蓝色的原因,BLUEBIRD呈现蓝色,是因为羽毛对太阳光的反射的原因,因此太阳光的强度与看鸟的角度,都能改变蓝色的程度。
2.美国1930左右的economical depression U.S president new policy造成musician事业influence and change等等。
3.( Before have JJ )几种保持soil肥的方法.一种是rainfall,这也是最古老和常用的方法,首先砍一大片深林,等干了后烧草, 这好像叫burn-and-out,作肥料, 铺在地上. 但缺点是要大片土地, 而且新种了作物地地不能做.(有题, 问这种方法有什么限制).另一种是用动物粪便作肥,这样可保持土壤肥或.还有些大城市用化学肥,但含toxic,(有题,问化学肥不提倡) 。
4. Furniture history ( especially desk ) from 13 century – 18 century getting more sophisticated。
Essay
123. Do you agree or disagree with the following statement? People should read only those books that are about real events, real people, and established facts. Use specific reasons and details to support your opinion."
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