下列哪项属于生态破坏 A.南极上空出现的臭氧层空洞 B.洛杉矶出现的光化学烟雾

题型:选择题

问题:

下列哪项属于生态破坏 

A.南极上空出现的臭氧层空洞

B.洛杉矶出现的光化学烟雾

C.飞机起飞时产生的噪声

D.土壤污染

考点:主要环境问题的产生和表现人类与环境的关系
题型:选择题

主观唯心主义把主观精神(人的感觉、经验、观念、意志等等)作为唯一真实的存在和世界的本原,客观事物以至整个物质世界都是这种主观精神的产物。 下列观点属于主观唯心主义的是:( )

A.世界的本原是物质

B.世界是绝对精神的产物

C.天命主宰人间世界

D.我思故我在

题型:选择题

当汽车发动机着火时,不可以用干粉灭火剂灭火。

题型:选择题

阅读理解。

     Christmas Day, the birthday of Jesus Christ, is the most important festival in Britain and some other

countries. On Christmas Eve, people usually tell their children to put their stockings at the end of their

beds before they go to sleep. Children believe Santa Claus, with the other name of Father Christmas,

will come during the night and fill their stockings with Christmas presents.   

     Actually (实际上), Father Christmas is children's father. He dresses up in a red coat and waits until

children fall asleep. Then he goes into children's bedrooms, and puts small presents in their stockings.

When children are no longer young, they know who Father Christmas really is.   

     Not only children but also their parents enjoy Christmas stockings. They also have stockings. Early

on the morning of Christmas Day, children wake their parents up and say "Merry Christmas". Then they

help their parents open their stockings. Everybody likes presents. But it is better to give than to receive.

1. Christmas Day is______.   

A. the birthday of Jesus Christ   

B. the only day for giving presents   

C. the only day for receiving presents   

D. the day for playing games

2. What do all the British children do on Christmas Eve in the story?   

A. They talk all the night.   

B. They sing and dance.   

C. They put their stockings at the end of their beds.   

D. They won't sleep until Father Christmas comes.

3. Santa Clausis another way of saying _______.   

A. Christmas Day   

B. Christmas presents   

C. Christmas Eve   

D. Father Christmas

4. From the story we know that on Christmas Day children feel very happy because they can receive _______.   

A. red clothes   

B. stockings   

C. presents

D. food

题型:选择题

患者,男性,近几年来反复出现腹痛、腹泻、肝区疼痛,影像学检查发现肝叶比例失调,密度不均匀,其内可见散在钙化灶,呈龟背状,门静脉内也可见钙化影,腹水,脾大,实验室检查:ALT升高。

该患者应首先考虑为()

A.胆管炎

B.血吸虫性肝硬化

C.酒精性肝硬化

D.胆管细胞癌

E.肝腺瘤

题型:选择题

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