搜题请搜索小程序“爱下问搜题”
问题 单项选择题

以下哪一项是轴型皮瓣

A．岛状皮瓣

B．皮下蒂皮瓣

C．筋膜皮瓣

D．易位皮瓣

E．交错皮瓣

答案

参考答案：E

解析：[解题思路] 皮瓣内含有知名动脉及伴行静脉的皮瓣叫轴型皮瓣。

多项选择题

对鼻前庭疖错误的处理方法是（）。

A.疖肿未成熟时可挤压

B.疖肿破溃后可不理睬

C.已成熟的疖肿，可切开并延长到周期浸润部分

D.已成熟的疖肿，用硝酸银腐蚀脓头

E.外覆鱼石脂软膏
查看答案
单项选择题

It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases (51) the decisions we make, an d the roots of our habits and skills are to be (52) in our past experiences, which are brought into the present (53) memory.

Memory can be defined as the capacity to keep (54) available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is (55) when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six-year-old child learns to swing a baseball bat.

Memory (56) not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer (57) that of a human being. The instant-access memory of a large computer may hold up to 100000 "words" —ready for (58) use. An average American teenager probably recognizes the meanings of about 100000 words of English. However, this is but a fraction of the total (59) of information which the teenager has stored. Consider, for example, the number of facts and places that the teenager can recognize on sight. The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a person’s memory is in terms of words and (60) of words.

51（）。

A. of

B. to

C. for

D. on
查看答案