浸涂的主要工艺参数是涂料的（）。 A.粘度 B.颜色 C.固体分含量 D.粘稠度

临床上最常见的慢性呼吸衰竭病因是（）。

A.重症肺结核

B.呼吸肌病变

C.严重胸廓畸形

D.慢性阻塞性肺疾病

E.神经系统病变

目前广泛使用的重介质旋流器有（）类型。

A、三产品重介质旋流器

B、煤泥重介质旋流器

C、圆筒形两产品重介质旋流器

D、圆锥形两产品重介质旋流器

2014年末全区森林面积2487.9万公顷，森林覆盖率为多少？

男性，30岁，右胸外伤后2小时，呼吸困难，气管左移，右侧呼吸音消失，叩诊右侧实音，应该考虑（）

A．血胸 

B．肋骨骨折 

C．脓胸 

D．肺栓塞 

E．张力性气胸

Do animals have a culture What do we mean by "culture" Lately social scientists have begun to ask if culture is found just in humans, or if some animals have a culture too. When we speak of culture, we mean a way of life a group of people have in common. Culture includes the beliefs and attitudes we learn. It is the patterns of behavior that help people to live together. It is also the patterns of behavior that make one group of people different from another group.
Our culture lets us make up for having lost out strength, claws, long teeth, and other defenses. Instead we use tools, cooperate with one another, and communicate with language. But these aspects of human behavior, or "culture," can also be found in the lives of certain animals. Animals can make tools, for example. We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees(黑猩猩) can not only use tools but actually make tools themselves. Animals can also share knowledge with each other and use their own language to communicate. So it may be important for us to know that the line dividing us from animals is not as clear as we used to think.

A chimpanzee’s use of tools means ______.

A．animals are the same as human beings

B．animals can be as clever as human beings

C．the dividing line between culture and animal culture no longer exists

D．animals may have a culture like our own