紧扣《云南看云》一文中的“看”字，赏析该文主题的表达300字左右。（14分）

What does the word “this” underlined in the third paragraph refer to?

A．We will lose much more than we can gain．

B．Humans have begun destroying rainforests．

C．People have a strong desire for resources．

D．Much carbon dioxide comes from burning rainforests．

51_______.

A.understand

B.explain

C.believe

D.question

（2）在材料二中陈独秀如何评价孔学？（2分）归纳陈独秀的反孔理由、（2分）结合所学知识，说明新文化运动对五四运动的影响。（2分）

Which of the following helps to develop traditional customs?

A. The special role of oxen in farming.

B. People's respect and love for oxen.

C. The practical value of an ox's body.

D. The contribution of oxen to the economy.

42____.

A.warm

B. broken

C.closed

D.open