“不登高山，不知天之高也;不临深溪，不知地之厚也。"这说明()
A.感性认识高于理性认识
B.实践是改造世界的活动
C.认识总是落后于实践
D.认识来源于实践
Part B Study the following drawing carefully and write an essay in which you should
1) describe its drawing
2) interpret its meaning, and
3) give your comment on it.
You should write 160 – 200 words neatly on ANSWER SHEET 2. (20 points)
第52题：
将A、B两种植物分别放置在密闭的光照生长箱中，定期抽取生长箱中的气体样品，分析其中的C02含量。以C02含量对光照时间作图，得到下列曲线图。
据图回答：
(1)分析图中曲线变化的原因。
(2)推测两种植物的光合碳同化途径。
(3)请用另一种实验方法验证你的推测。
实践的主体是()
A.绝对精神
B.具有思维能力、从事社会实践和认识活动的人
C.有理性的人
D.人的意识
辩证唯物主义认为，认识的本质是()
A.主体对各种认识要素的建构
B.主体在实践基础上对客体的能动反映
C.主体对客体本质的内省
D.主体对客体信息的选择
Part B
Directions:
There has recently been a discussion in a newspaper on the issue of challenge. Write an essay to the newspaper to
show your understanding of the symbolic meaning of the picture below1) the content of the picture
2) the meaning/your understanding
give a specific example/comment, andgive your suggestion as to the best way to treat challenge.You should neatly write 160—200 words on ANSWER SHEET 2. (20 points)
