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问题 多项选择题

关于AVM出血，正确的有（）

A.为AVM常见或首发症状

B.畸形血管破裂致脑内、蛛网膜下隙、脑室内出血

C.AVM越大，越易出血，

D.AVM多见30岁以下的年轻人，年轻人自发性颅内出血首先考虑AVM

E.蛛网膜下隙的首要病因

答案

参考答案：A, B, D

单项选择题

目前我国金融业发展的状况是( )。

A．还没有形成垄断局面

B．垄断限制了几乎所有的竞争

C．垄断并没有妨碍竞争

D．垄断与过度竞争并存
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填空题



Americans have four primary avenues for making friends: at work, at school, through a hobby or a (1) such as volunteer work and discussion group, or through a family or (2) .
In American culture, a job is more than the work that one performs between the hours of 9 a.m. and (3) . Work becomes a major socializing influence. Many young mothers who (4) their jobs to care for small children remark on the loneliness of their new lifestyles because they have lost their forum for (5) .
A great number of American employers recognize business social (6) and use it to build a family atmosphere on the job so that employees will feel (7) in their work environment. Some employers arrange company get-togethers in their home or at a (8) . American companies have at least one (9) annually, usually at Christmas time. Many corporations have (10) where employees and administrators alike dress (11) to play games such as baseball and volleyball.
Top American administrators often hold social gatherings (12) . Depending upon the size of the employer’s home and the number of (13) . These social gatherings may be picnics, pool parties, or (14) . If the company is large, an employer may hold what Americans call (15) . For an open house, the employer will invite his employees to come to his home (16) between 1 p.m. on a certain day. Those invited usually stay for (17) , chatting with the other guests and their host. People come and go (18) during the designated hours, and the host keeps refreshments, usually (19) or hors d’oeuvres and beverages, available for all who come. For such social gatherings, it is considered (20) the invitation unless you have an excellent reason.
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