谵妄状态的临床表现有（） A.定向力障碍 B.错觉 C.高热 D.幻觉 E.自知力障

下列事件中，是必然事件的是[ ]

A．打开电视机，正在播放新闻

B．母亲的年龄比儿子的年龄大

C．通过长期努力学习，你会成为数学家

D．下雨天，每个人都打着伞

There is an English saying, “___小题1:____” Until recently, few people took the saying seriously. Now however, doctors have begun to look into laughter and the effects it has on the human body. ____小题2:____

Tests were carried out to study the effects of laughter on the body. People watched funny films while doctors checked their heart, blood pressure, breathing and muscles. It was found that laughter has similar effects to physical exercise.___ 小题3:___ If laughter exercises the body, it must be beneficial.

Other tests have shown that laughter appears to be able to reduce the effect of pain on the body. In one experiment doctors produced pain in groups of students who listened to different radio programs. The group that tolerated the pain for the longest time was the group which listened to a funny program. ___小题4:____

___小题5:___They have found that even if their patients do not really feel like laughing, making them smile is enough to produce beneficial effects similar to those caused by laughter.

A．Laughter can surely last one’s life.

B．As a result of these discoveries, some doctors in the United States now hold laughter clinics, in which they help to improve their patients’ condition by encouraging them to laugh.

C．The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemical in the brain which diminishes both stress and pain.

D．It increases blood pressure, makes the heart beat quicker and makes people breathe deeper; it also works several groups of muscles in the face, the stomach, and even the feet.E. They have proved that laughter can really cure any disease if people keep a good state of mind.

F. Laughter is the best medicine.

G. They have found that laughter really can improve people’s health.

有关脑室内脑膜瘤，下列哪项说法不恰当

A．脑血管造影显示侧脑室内脑膜瘤供血动脉多为大脑中动脉
B．侧脑室内脑膜瘤多位于侧脑室三角部
C．三、四脑室内脑膜瘤可引起梗阻性脑积水
D．起始于脉络丛
E．临床常见头痛、视 * * 水肿

Der Roman von diesem berühmten Schriftsteller wurde in viele Sprachen ___________.

单相全波整流和单相桥式整流的整流电压脉动（）。

A、相同

B、不同