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问题 单项选择题

Java以JVM为基础，最下层是移植接口，由适配器和( )组成。

A．网卡

B．Java OS

C．Java基本类

D．Java应用程序和Applet小程序

答案

参考答案：B

填空题

Small dogs generally live longer than big dogs so that yappy Yorkshire terrier next door could be around for a long time. But body size isn’t the only factor that (36) how long dogs survive. Personality influences life span, too, according to a new study that might help explain how animal (37) evolve.
Research on animals from ants to apes has found that different (38) have different personalities. Some are timid, others (39) . Biologists have proposed that temperaments evolved along with life history. (40) , violent animals use a lot of energy fast in (41) short lives, the thinking goes, whereas calmer animals last longer, saving themselves to (42) later in life.
But it’s hard to run evolutionary (43) on these personalities in anything longer lived than a fruit fly. So evolutionary biologist Vincent Careau of Universit6 de Sherbrooke in Canada came up with an idea: dogs. "All these breed differences reflect an experiment on artificial selection," says Careau. (44) , but from generations of humans crossbreeding and selecting animals with traits---the ability to chase foxes into holes, or herd sheep, or sit attractively on a sofa.
But evolutionary physiologist Joseph Williams of Ohio State University in Columbus isn’t convinced that (45) . "For me, it still remains to be seen. Dogs are contrary to what you would expect in nature in terms of longevity," he says. Elephants live for decades, (46) . On the other hand, a Chihuahua will generally outlast a Saint Bernard.
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单项选择题

下列情形中，不可被《反垄断法》豁免的垄断协议类型是( )。

A．经营者甲为降低成本、提高质量而达成的统一产品规格和标准的协议
B．为了提高中小企业的经营效率，增强它们的竞争力，中小企业之间在生产、融资、研发、采购等领域达成的合作协议
C．为改进新技术和新产品，企业乙与企业丙之间达成的合作协议
D．为保障对外贸易和对外经济合作中的利益，就出口商品价格和国际市场划分达成的协议
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