The first true piece of sports equipment that man invented was the ball. In ancient Egypt, as everywhere, pitching stones was a favorite children’s game. But a badly thrown rock could hurt a child. Looking for something less dangerous to throw, the Egyptians made what were probably the first balls. At first, balls were made of grass or leaves held together by vines. Later they were made of piece of animal skin sewed together and stuffed with feathers or hay. Even though the Egyptians were warlike, they found time for peaceful games. Before long they had developed a number of ball games, each with its own set of rules. Perhaps they played ball more for instruction than for fun. Ball playing was thought of mainly as a way to teach young men the speed and skill they would need for war.

The first balls were probably made of （）
A. animal skins stuffed with rocks
B. twists of hay
C. hides stuffed with hay or feathers
D. grass and leaves tied with vines

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[单项选择]在服务器端发现网络利用率超标但系统无病毒警告，为防止服务器超载首先应该检查（）
A. 各工作站网卡连接的当前状态
B. 有否出现黑客攻击的异常迹象
C. 服务器在线的主要性能参数
D. 路由器端口的数据吞吐量

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[不定项选择]杨某受某厂指派在本县范围内收购茶叶2万斤，厂方提供了介绍信、营业执照副本。杨某收购后未向税务机关纳税。县税务局知悉后即作出决定，杨某需缴纳增值税5000余元。杨某不服，认为自己是接受某厂的指派，与该厂是委托关系，其税款应当由厂方缴纳，县税务局未采纳杨某的意见，坚持要求杨某缴纳。在此情况下，杨某应当如何处理
A. 杨某可以直接向法院提起行政诉讼
B. 杨某可以先提起复议，对复议决定不服再起诉
C. 杨某必须先经过复议，不经复议不得起诉
D. 杨某可在复议与诉讼之间任意选择

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[单选题]前列腺增生症护理哪项正确
A.少量饮酒有助于扩张尿道
B.少饮水
C.无须心理护理
D.留置尿管者防感染
E.应进少纤维食品

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[多选题]证券公司受理客户融资融券业务申请后，应当办理客户征信，征信调查的内容一般包括()。
A.客户基本材料
B.投资经验
C.诚信记录
D.还款能力

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[单选题]安全帽应保证人的头部和帽体内顶部的间隔至少应保持（）毫米空间才能使用
A.20
B.22
C.32
D.40

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[简答题]利用特殊岩性测定迟到时间的计算公式是：迟到时间：取样见到特殊岩性岩屑的时间一钻达特殊岩性的时间一中途停泵时间。

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[填空题]

Directions:
You are going to read a text about The Big Melt, followed by a list of examples. Choose the best example from the list A--F for each numbered subheading (41--45). There is one extra example which you do not need to use. Mark your answers on ANSWER SHEET 1.S
ay goodbye to the world’s tropical glaciers and ice caps. Many will vanish within 20 years. When Lonnie Thompson visited Peru’s Quelccaya ice cap in 1977, he couldn’t help noticing a school-bus-size boulder that was upended by ice pushing against it. Thompson returned to the same spot last year, and the boulder was still there, but it was lying on its side. The ice that once supported the massive rock had retreated far into the distance, leaving behind a giant lake as it melted away.
Foe Thompson, a geologist with Ohio State University’s Byrd Polar Research Center, the rolled-back rock was an obvious sign of climate change in the Andes Mountains. "Observin

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[多选题]填土方压实的方法有( )。
A.碾压法
B.振动压实法
C.水灌法
D.堆载法
E.夯实法

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[单选题]下列关于real-time PCR引物设计的原则中，不正确的是
A.两条引物的Tm值相差尽量大
B.G+C的含量应在45％-55％之间
C.尽量避免引物二聚体的出现
D.反应体系中引物的浓度一般在0.1~0.2μmol/L之间
E.引物过长可能提高退火温度

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[判断题]商用房地产同时也是收益性或投资性房地产，购买商用房地产属于开发投资行为。

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[简答题]简述正当防卫与紧急避险的区别。

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[填空题]企业职工基本养老保险基金中央调剂制度,遵循社会保险( )法则,建立作为实现养老保险( )的第一步。

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[单项选择]

{{I}}Questions 22 -25 are based on the following dialogue.{{/I}}

What’s the cross-cultural specialists’ view about the difficulty in adjusting to life in a new culture
A. Extremely difficult.
B. Not difficult.
C. Extremely easy.
D. Not easy.

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[判断题]对高热情高能力的人才应充分授权,赋予更多的责任。 ( )
A.正确
B.错误

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[单选题]运用目测法估算建筑物燃烧面积的参照物通常是( )。
A.门口
B.柱子
C.屋顶
D.窗口

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[判断题]列尾作业员、外勤助理值班员、车号员出务作业时，必须携带GSM—R电话，不准关机。
A.正确
B.错误

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[单选题]在既有水电厂、火电厂和核电厂的电力系统中.洪水季节调频电厂通常选择(____)。
A.高温高压火电厂
B.中温中压火电厂
C.大型水电厂
D.核电厂

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