氯丙嗪治疗精神病的机理是A．阻断脑内胆碱受体 B．阻断中脑边缘系统和中脑边缘系统和中

阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入适当的词或使用括号中词语的正确形式填空.

Snake dishes have become popular 小题1:recent years. Snake meat in various flavors(风味) is often seen in restaurant advertisements. Eating snake seems to be now in vogue(盛行), and   小题2:  you haven’t eaten snake yet, you are considered “ out of date”. But I wonder whether all the trends are worth 小题3:    (follow).

Some people may defend themselves   小题4: saying that snake meat is nutritious. But these people don’t realize that many parasites (寄生虫), 小题5:  (find) inside snakes, will do harm to our health.

According to a survey, about 1,000 tons of snakes are eaten every year in China and sometimes as many as 10 tons of snakes   小题6: (serve) on dinner tables in Shenzhen in a single day!

These figures warn us that if no   小题7:  (act) is taken, the number of snakes will drop and that will make   小题8: increase in mice and worms population,   小题9:  will result in a decrease (减产) of crops output. Who will see such tragedy happen?

So let’s start not to eat snakes any more because “ to protect the snake is to protect 小题10: .”

高度危险作业致人损害的免责事由是（）

A.受害人的过失

B.第三人的过错

C.受害人的故意

D.致害人无过错

哪一类通报是通报所有种类中使用得最多的？（）

A.表彰性通报

B.情况通报

C.指示性通报

D.批评性通报

患者，女性，60岁，全牙列缺失，主诉原义齿咀嚼效率尚可，固位良好，但与本人原貌差别较大，要求重做全口义齿。口腔检查、牙槽嵴情况良好，颌位关系正常

“中性区排牙”与上下后牙均排在牙槽嵴顶排牙相比，“中性区排牙”的主要效果是（）

A．有利于发音

B．便于排牙

C．有利于力传导

D．易达到平衡

E．有利于义齿的稳定

与造血有关的微量元素包括（）。