腹外疝好发于腹股沟区的主要原因()。 A.腹股沟区位于下腹部 B.腹股沟区有精索或圆

题型:单项选择题 A1/A2型题

问题:

腹外疝好发于腹股沟区的主要原因()。

A.腹股沟区位于下腹部

B.腹股沟区有精索或圆韧带通过

C.腹股沟区腹外斜肌腱膜与腹横筋膜之间没有腹内斜肌与腹横肌

D.腹股沟区发育不良

E.以上均不是

考点:普通外科主治医师专业知识与专业实践能力腹外疝腹外疝题库
题型:单项选择题 A1/A2型题

平行四边形的对称轴有两条.______.(判断对错)

题型:单项选择题 A1/A2型题

如图所示的电路中,L1、L2为两个完全相同的灯泡,L为自感线圈,E为电源,S为开关。关于两灯泡点亮和熄灭的先后次序,下列说法正确的是

[ ]

A.合上开关,L1先亮,L2后亮;断开开关,L1、L2同时熄灭

B.合上开关,L2先亮,L1后亮;断开开关,L1先熄灭,L2后熄灭

C.合上开关,L2先亮,L1后亮;断开开关,L1、L2同时熄灭

D.合上开关,L1、L2同时亮;断开开关,L2先熄灭,L1后熄灭

题型:单项选择题 A1/A2型题


Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D.

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, and 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 in stant-access memory of a large computer may hold up to 100 000 "words" —ready for (58) use. An average American teenager probably recognizes the meanings of about 100 000 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.

A.exists

B.appears

C.affects

D.seems

题型:单项选择题 A1/A2型题

立法程序化、法律化的重要意义在于()。

A. 防止公民的非法行为

B.避免执法机关的违法行为

C.防止党派团体的非法行为

D.保证立法的质量

题型:单项选择题 A1/A2型题

BOT项目管理模式的含义是( )。

A.设计—建造—运营

B.建造—运营—移交

C.建造—拥有—移交

D.投资—建造—移交

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