下列不属于教育行政法规的文件是（）。 A.《学位条例》 B.《上海市学生伤害事故处理

此研究的目的主要是

A．描述胃癌的分布

B．为胃癌的临床治疗提供依据

C．为胃癌的预防提供依据

D．寻找胃癌病因线索

E．无具体的目的

贫穷落后的清政府成为列强宰割的对象，但英勇的中国人民从来没有向侵略者低头，近代中国人民自发抗击外国侵略的第一次英勇斗争是（）。

A.虎门销烟

B.三元里人民抗英

C.中国人民八年抗战

D.南京事变

社区卫生服务的特点之一是（）

A.以病人为导向的服务

B.以老年人为导向的服务

C.以预防为导向的服务

D.以重点保健人群为导向的服务

E.以健康人群为导向的服务

关于地芬诺酯单方剂和含地芬诺酯复方制剂经营管理的说法，正确的是（）

A.地芬诺酯单方剂和含地芬诺酯复方制剂都按麻醉药品管理

B.地芬诺酯单方剂和含地芬诺酯复方制剂都不属于麻醉药品

C.地芬诺酯单方剂和含地芬诺酯复方制剂都可以在药品零售企业销售

D.含地芬诺酯单方剂不能在药品零售企业销售，含地芬诺酯复方剂在药品零售企业应严格凭执业药师开具的处方销售

Americans usually consider themselves a friendly people. Their friendships, however, tend to be shorter and more casual than friendships among people from other cultures. It is not uncommon for Americans to have only one close friend during their lifetime, and consider other "friends" to be just social acquaintances. This attitude probably has something to do with American mobility and the fact that Americans do not like to be dependent on other people. They tend to "compartmentalize" (划分) friendships, having "friends at work" , "friends on the softball team" , "family friends" , etc.

Because the United States is a highly active society, full of movement and change, people always seem to be on the go. In this highly charged atmosphere, Americans can sometimes seem brusque (无礼的) or impatient. They want to get to know you as quickly as possible and then move on to something else. Sometimes, early on, they will ask you questions that you may feel are very personal. No insult is intended; the questions usually grow out of their genuine interest or curiosity, and their impatience to get to the heart of the matter. And the same goes for you. If you do not understand certain American behavior or you want to know more about them, do not hesitate to ask them questions about themselves. Americans are usually eager to explain all about their country or anything "American" in which you may be interested. So much so in fact that you may become tired of listening. It doesn’t matter, because Americans tend to be uncomfortable with silence during a conversation. They would rather talk about the weather or the latest sports scores, for example, than deal with silence.

On the other hand, don’t expect Americans to be knowledgeable about international geography or world affairs, unless those subjects directly involve the United States. Because the United States is not surrounded by other nations, some Americans tend to ignore the rest of the world.

According to the passage, Americans tend to ignore the rest of the world because ().

A. they are too proud of themselves

B. they are not interested in other countries

C. they are too busy to learn about other countries

D. their country does not have many neighboring nations