正中位也称为()。 A.牙位 B.中性 C.牙尖交错位 D.下颌后退位 E.姿势位

题型:单项选择题

问题:

正中位也称为()。

A.牙位

B.中性

C.牙尖交错

D.下颌后退位

E.姿势位

考点:口腔执业助理医师口腔执业助理医师51
题型:单项选择题

The widespread number of food scandals ( 丑闻) in China is making many people pause before they put their chopsticks in their mouth. They are wondering if the food they are eating is clean, healthy and nutritious or does it contain something harmful that will cause disease?

Most of the food we eat today is processed food( 加工食品). That means the foods we buy in stores and supermarkets, especially packaged foods, are prepared in factories. Chemicals are added to the foods in these factories to make them look better, taste better and last longer on the shelf. The chemicals are supposed to be harmless and there are laws that regulate which chemicals can and cannot be used. Unfortunately, some producers do not obey the laws.

A producer of steamed buns (馒头) in Zhejiang Province was recently discovered to be breaking the law. He was adding yellow dye and other banned chemicals to the buns. He was also taking old buns and using them to make new buns. Most of the buns were sold to schools and eaten by students. . . like you’

Why did he do it? Why did he break the law and endanger people’s health? The answer is simple: he wanted to make more money. It was a moral failing, and this is at the heart of the food scandals in China. Too many people focus on making money and not on the effects their actions can have on others.

小题1: Chemicals are added to the foods in the factories because _____.

A.they want to make the foods look better, taste better and last longer

B.they want to make the foods contain something harmful

C.chemicals will cause disease

D.chemicals are harmless小题2: According to the passage, which is NOT true?

A.Most of the food we eat today is prepared in factories.

B.There are laws that regulate which chemicals can and cannot be used.

C.The food scandals in China are making many people worry about the food safety.

D.Most of the buns were sold to schools and eaten, by students in Zhejiang Province.小题3:It was a moral failing, and this is at the heart of the food scandals in China. Here what’s

the Chinese meaning of "moral failing"? 

A.精神崩溃

B.道德滑坡

C.质量下降

D.心理失衡小题4: What is the main reason of the food scandals in China?

A.Some producers do not obey the laws.

B.The processed food is clean, healthy and nutritious.

C.Too many people pay much attention to making money.

D.The chemicals are supposed to be harmless and can be used.

题型:单项选择题

下列化学用语表示正确的是

A.HClO、KOH的结构式都可用X—Y—Z表示

B.O2-、Mg2+的结构中能量最高电子层的轨道表示式都可以用右图表示:

C.甲烷、四氯化碳的分子构型相似,均可以表示为:

D.分子式中n(C)︰n(H)=n:(2n+2)的物质不一定是烷烃

题型:单项选择题

下图为某生态系统能量流动的部分示意图,其中数字为能量值,单位是KJ(m2·a),能量在第二营养级和第三营养级间的传递效率为

[ ]

A.16%

B.15%

C.12%

D.10%

题型:单项选择题

女性,40岁,因SLE口服皮质激素近2年,发热2周伴咳嗽,痰中少量带血,查肺无异常体征,胸片右肺中野多发片状结节状影伴空洞,血沉45mm/h,PPD5IU(-)。对该患者PPD试验结果的解释哪项是错误的

A.阳性表示结核感染
B.强阳性可支持结核诊断
C.阴性可排除结核病
D.弱阳性提示卡介苗交叉反应
E.免疫抑制者诊断价值受影响

题型:单项选择题

关于解除冻结存款、汇款,下列说法正确的是()

A、行政机关作出解除冻结决的,应当及时通知上级机关

B、行政机关作出解除冻结决定的,应当及时通知金融机构和当事人

C、金融机构接到行政机关解除冻结的通知后,应当立即解除冻结

D、行政机关逾期未作出处理决定的,金融机构应当自冻结期满之日起解除冻结

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