阅读下列短文,然后根据短文的内容从 47~50 小题的四个选择项中选出最佳的一项。 第 47 题
阅读下列短文,然后根据短文的内容从 47~50 小题的四个选择项中选出最佳的一项。
第 47 题
阅读下列短文,然后根据短文的内容从 47~50 小题的四个选择项中选出最佳的一项。
第 47 题
阅读下列短文,然后根据短文的内容从 39~42 小题的四个选择项中选出最佳的一项。
第 39 题
A.甲承担全部责任
B.丙承担全部责任
C.甲和丙承担连带责任
D.甲和丙承担按份责任
A.甲和丙承担按份责任
B.甲承担全部责任
C.甲和丙承担连带责任
D.丙承担全部责任
将英语短文译为中文
2. Kin Recognition (10分)
Many organisms, from sea squirts to primates, can identify their relatives. Understanding how and why they do so has prompted new thinking about the evolution of social behavior. by David W. Pfennig and Paul W. Sherman Kinship is a basic organizing principle of all societies. Humans possess elaborate means by which to identify relatives, such as using surnames and maintaining detailed genealogies.
Mechanisms for distinguishing kin also occur throughout the plant and animal kingdoms regardless of an organism’s social or mental complexity, in creatures as diverse as wildflowers and wasps. Scientists are beginning to discover that an understanding of the origin and mechanisms of kin recognition offers fresh insights into such diverse topics as how living things choose their mates, how they learn and how their immune system works.
BELDING’S GROUND SQUIRRELS live in groups in which mothers, daughters and sisters cooperate extensively. By using odors, the squirrels can distinguish familiar nestmates, who are close kin, from nonnestmates. They can also discriminate between full sisters and half sisters.
4. Finding Early Signs of Mad-Cow Disease(5分)
Disease damage: This microscopy image shows brain tissue damaged by Creutzfeldt-Jakob (可不译,照搬) disease. Researchers have made a list of blood proteins that act as early indicators of a group of diseases including bovine spongiform. encephalopathy (BSE), also known as mad-cow disease. The human form. of BSE, a fatal degenerative neurological disorder, called Creutzfeldt-Jakob disease
Biotech pioneer: Leroy Hood, president and cofounder of the Institute for Systems Biology, in Seattle, invented several tools, including the automated DNA sequencer that helped make it possible to sequence the human genome. Now, biotech pioneer Leroy Hood explains how Systems Biology will impact medicine.
将英语短文译为中文
3 Self-Powered Nanotech (10分)
Nanosize machines need still tinier power plants
By Zhong Lin Wang
The watchmaker in the 1920s who devised the self-winding wristwatch was on to a great idea: mechanically harvesting energy from the wearer’s moving arm and putting it to work rewinding the watch spring.
Today we are beginning to create extremely small energy harvesters that can supply electrical power to the tiny world of nanoscale devices, where things are measured in billionths of a meter. We call these power plants nanogenerators. The ability to make power on a minuscule scale allows us to think of implantable biosensors that can continuously monitor a patient’s blood glucose level, or autonomous strain sensors for structures such as bridges, or environmental sensors for detecting toxins — all running without the need for replacement batteries. Energy sources are desperately needed for nanorobotics, microelectromechanical systems (MEMS), homeland security and even portable personal electronics. It is hard to imagine all the uses such infinitesimal generators may eventually find.
In Brief
★Nanotechnology has huge potential — but those minuscule devices will need a power source that is better than a battery.
★ Waste energy, in the form. of vibrations or even the human pulse, could provide sufficient power to run such tiny gadgets.
★ Arrays of piezoelectric nanowires could capture and transmit that waste energy to nanodevices.
★ Medical devices will likely be a major application. A pacemaker’s battery could be charged so it would not need replacing, or implanted wireless nanosensors could monitor blood glucose for diabetics.
A.程序运行时间超过了时间限制之后,必须重新启动或者注册
B.利用用户名计算某个序列号,然后判断输入的序列号和计算的序列号是否一致
C.以二进制文件来注册软件的方式,二进制文件的内容一般包括加密数据,根据用户名、用户邮箱等信息生成
D.以上都不是
A.在下载目标的链接位置点右键,然后“”另存为
B.使用迅雷下载
C.使用浏览器自带的下载工具
D.选定下载目标内容复制,然后在合适的文档中粘贴