第二信使有cAMP，cGMP，（），（）。

For many years, Yang Shanzhou was the local party secretary in a remote, mountainous village in southwest China’s Yunnan Province. Though he could live a better life in the city, he still decided to move even further into the mountains, and devoted himself to greening the land. He passed away in 2010, but his story lives on.

A blanket of green - And it all started with a surprising decision made by Yang Shanzhou back in 1988.

The 62 year old decided to return to his hometown in Daliang Mountain, to bring green back to the barren hills. Along with fifteen other people, Yang settled down deep in the mountains and began to work on his plan.

It was a life that was harder than most people could ever imagine.

Su Jiaxiang, Yang Shanzhou’s secretary, said, “I went to visit him several times. He didn’t even have decent shoes and it was very cold at night. But you know he was almost seventy!”

In 2010, Yang Shanzhou passed away. He was buried in Daliang Mountain, according to his will. More than twenty years has passed since he first began his planting in the mountains.The hills are now covered with kinds of trees. By planting trees, Yang Shanzhou also planted hope. This hidden hero left his local government with a priceless legacy.

小题1:Yang Shanzhou lived in __________.

A．Jiangsu

B．Guizhou

C．Yunnan

D．Guangxi小题2:Which of the following sentences is NOT true?

A．Mr Yang has been dead for three years.

B．Yang Shanzhou didn’t want to be buried in the mountain.

C．Yang Shanzhou gave up the better life in the city.

D．Yang Shanzhou will be remembered for ever.小题3:The 62 year old decided to return to his hometown in Daliang Mountain, to bring green back to the barren hills. “barren” means ________.

A．荒芜的

B．葱郁的

C．长满树木的

D．美丽的小题4:From the passage we can know Mr Yang Shanzhou passed away at the age of _______.

A．74

B．62

C．84

D．94小题5:Mr. Yang brought many things except_________.

A．green hills

B．hope

C．priceless legacy

D．hard life

已知扇形的圆心角为120°，半径为2cm，则扇形的弧长是______cm，扇形的面积是______cm²．

不是喉支架软骨的选项是（）

A.会厌软骨

B.杓状软骨

C.小翼软骨

D.小角软骨

E.楔状软骨

有关二尖瓣狭窄的早期病理生理改变，不恰当的是

A．肺静脉压升高
B．肺毛细血管楔压升高
C．肺淤血征象
D．低心排血量
E．左房压升高

简述荀子的性恶论