欧洲西部面积约500万平方千米，占欧洲面积的一半左右，居民绝大多数为白种人，人口

发布时间：2017-04-17 14:47 │ 来源：www.tikuol.com

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问题：

欧洲西部面积约500万平方千米，占欧洲面积的一半左右，居民绝大多数为白种人，人口约5亿，人口密度约每平方千米70人，而世界平均人口密度约每平方千米40人，欧洲西部有36个国家，大约占世界国家总数的1/5。这说明欧洲西部[ ]

A．国家众多、人口稠密、居民以白种人为主

B．国家最多、人口最多、居民以白种人为主

C．国家不少、人口稀少、居民以黑种人为主

D．国家不多、人口不少、居民以黄种人为主

考点：欧洲西部

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根据短文内容判断正(T) 误(F)。

In Britain, cars, buses and bikes must keep to the left of the street. If a person
wants to cross the street, he must be very careful. Before he crosses a street, he has
to stop and look to the right side first and then the left. But in China, we look to the
left first.
When visitors are in London, they should learn how to take buses and underground
trains (地铁). The most important of all, they must know in which direction they are
going and which bus or underground train they should take. At the bus stop they should
wait for their buses to come. As soon as they get on a bus, they must pay their fares
(车费).

( )1. In England, people go along the left side of the street as we do in China.
(     )2. When they want to cross the street, people in England do not look to the left first.
(     )3. Visitors in London should learn to drive buses.
(     )4. When they take a bus in England, visitors must make sure in which direction it is going.
(     )5. After they get on a bus, visitors don't have to pay for their tickets at once.

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男性患者，45岁。5小时前突然出现上腹剧痛，1小时后逐渐蔓延至全腹，伴恶心及呕吐、腹胀、发热。查体：肝浊音界消失，全腹压痛、反跳痛及肌紧张，移动性浊音阳性，肠鸣音消失。血淀粉酶5200U/L。

在患者住院期间要注意下列情况的出现，除了（）。

A.休克表现

B.Cullen征

C.血钙显著下降至2mmol／L以下

D.血糖<10mmol／L

E.血尿淀粉酶突然下降

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臭氧层被破坏形成空洞，可以造成（）

A.儿童佝偻病的发病率增加

B.空气传播疾病易于流行

C.病毒、病菌、蠕虫和致病昆虫等大量繁殖

D.皮肤癌和白内障等疾病的发病串上升

E.肺癌的发病率和死亡率升高

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He slipped and had his leg broken. ,he will have to be away from school for two or three months.

A．In any case

B．After all

C．As a result

D．In this way

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根据STCW公约值班规则B部分对防止疲劳做出的指导，对短航次的船舶，关于值班安排，下列说法正确的是：（）

Ⅰ、作出的特殊的安全方面的安排可以有不同的规定

Ⅱ、主管机关需要提出保持海员工作和休息时间的记录的要求并以适当的时间间隔进行检查

Ⅲ、主管机关需要对其防止疲劳的规定进行审查

A.Ⅰ、Ⅱ

B.Ⅰ、Ⅲ

C.Ⅰ、Ⅱ、Ⅲ

D.Ⅲ

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