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2007年某市某耐磨材料有限公司从事粉尘作业的工人张XX，其X胸片显示双肺有阴影
2007 年某市某耐磨材料有限公司从事粉尘作业的工人张 XX，其 X 胸片显示双肺有阴影，该市职业病防治所诊断为“可疑尘肺”合并肺结核。但是，张本人自行到本地及外地多家医院检查，皆诊断其患有尘肺病。于是张要求该市职业病防治所再次诊断，该所坚持原有诊断结果。张不服，于 2009 年 6 月到该市某大学第一附属医院“开胸验肺”，该院诊断为尘肺合并感染。2009 年 7 月，卫生部组织专家进行鉴定，诊断为三期尘肺病。但 2009 年 8 月，某省卫生厅却对“开胸验肺”的该市某大学第一附属医院提出了通报批评。目前，张正在申请工伤职业病待遇，并进行“洗肺治疗”。　　问题：该省卫生厅凭什么要对该市某大学第一附属医院提出通报批评
Childrenmodelthemselveslargelyontheirpar
Children model themselves largely on their parents. They do so mainly through identification.Children identify (61) a parent when they believe they have the qualities and feelings that are (62) of that parent. The things parents do and say—and the (63) they do and say to them—strongly influence a child’s (64) .
A、parent’s actions (65) affect the self image that a child forms (66) identification.Children who see mainly positive qualities in their (67) will likely learn to see themselves in a positive way.Children who observe chiefly (68) qualities in their parents will have difficulty (69) positive qualities in themselves.Children may (70) their self image, however, as they become increasingly (71) by peer groups.
In the case of a dramatic change in family relations, the (72) of an activity or experience depends on how the child interprets it.Children interpret such events according to their established attitudes and previous training.Children who know they are loved can, (73) , accept the divorce of their patents or a parent’s early (74) .But if children feel unloved, they may interpret such events (75) a sign of rejection or punishment.
A．to
B．with
C．around
D．for
Arecentreportonpopulationtrendconductedb

A、recent report on population trend conducted by the think {{U}} (1) {{/U}} of the World watch Institute identifies signs of slowing growth in some countries. It says populations in 32 countries—all in the industrialized world—have stabilized because of declining birthrates.But in a handful of developing countries where population is slowing, the cause isn’t something to {{U}} (2) {{/U}}, because more people are dying.
This trend is called "population fatigue", and it’s beginning in many of the developing countries that have experienced {{U}} (3) {{/U}} birthrates and sharp population growth for several decades. Governments in these countries are now having trouble dealing with feeding, housing and educating an increasing number of children, {{U}} (4) {{/U}} at the same time confronting the falling water {{U}} (5) {{/U}}, deforestation and soil erosion that rapid population growth brings. In these countries any new threat—infectious disease, drought or famine—can become a {{U}} (6) {{/U}} crisis.
AIDS is a case {{U}} (7) {{/U}}. WHO estimates calculate that one-quarter of the adult population of Zimbabwe andBotswana are infected with theAIDS virus, {{U}} (8) {{/U}}, these countries stands to lose at least one-quarter of their labor force in the next decade fromAIDS alone, a situation {{U}} (9) {{/U}} since the yellow fever swept throughEurope in the 14’h century.
Social unrest is also increasing in these countries. One example is the {{U}} (10) {{/U}} conflict between the Tutsis and the Hutus in Rwanda, where population pressures reduced cropland {{U}} (11) {{/U}} where it could no longer feed those who lived on it.Demands on the world fisheries and shared water resources are likely to spark similar conflicts.Already the waters of the Nile are so heavily used that little reaches the Mediterranean, so any increase in demand or {{U}} (12) {{/U}} in allocation will also increase tensions.
The bottom line is that human population growth is {{U}} (13) {{/U}} to slow one way or the other.Developing societies will either recognize problems {{U}} (14) {{/U}} the horizon and act to encourage smaller families — or unchecked births will have their {{U}} (15) {{/U}} in rising death rates.
A．unchallenged
B．unparalleled
C．paralleled
D．challenged
PassageThreeManyareawareofthetremendousw
Passage ThreeMany are aware of the tremendous waste of energy in our environment, but fail to take advantage of straightforward opportunities to conserve that energy. For example, everyone knows that lights should be switched off when no one is in an office. Similarly, when employees are not using a meeting room, there is no need to regulate temperature.Fortunately, one need not rely on human intervention to conserve energy. With the help of smart sensing and network technology, energy conservation processes such as turning off lights and adjusting temperature can be readily automateD、Ultimately, this technology will enable consumers and plant managers to better identify wasteful energy use and institute procedures that lead to smarter and more efficient homes, buildings and industrial plants.Until now, wires and cables for power and connectivity have limited the widespread adoption of sensor (传感器) networks by making them difficult and expensive to install and maintain.Battery-powered wireless networks can simplify installation and reduce cost.But their high power consumption and the corresponding need for regular battery replacement has made wireless networks difficult and costly to maintain. Nobody wants to replace hundreds or thousands of window sensor batteries in a large building on a regular basis.The promise of wireless sensor networks can only be fully realized when the wiring for both the data communication and the power supply is eliminateD、Doing so requires a true battery-free wireless solution, one that can utilize energy harvested directly from the environment. To facilitate the widespread deployment of wireless sensor networks, Green Peak has developed an ultra-low-power communication technology that can utilize environmental energy sources such as light, motion and vibration. This technology, employing on-board power management circuits and computer software to monitor energy harvesters and make the best use of harvested energy, enables sensors to operate reliably in a battery-free environment.Wireless sensor networks deployed in our offices and homes will have an enormous impact on our daily lives, helping to build a smarter world in which energy is recycled and fully utilizeD、These wireless platforms, equipped with advanced sensing capability, will enable us to better control our lives, homes and environment, creating a truly connected world that enables people worldwide to live in a more comfortable, safer, and cleaner environment. According to the passage, Green Peak ______.
A、is the first company to install wireless sensor networks
B．promotes the application of wireless sensor networks
C．supplies batteries operating on harvested energy
D．benefits handsomely from communication technology
一维、无内热源、导热系数为常数的无限大平板稳态导热，平板左侧面绝热，右侧面温度为
一维、无内热源、导热系数为常数的无限大平板稳态导热，平板左侧面绝热，右侧面温度为50℃。请问平板左侧面和中间截面的温度各为多少？为什么？
Thebiggestsafetythreatfacingairlinestoda
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference. The source of this interference remains unconfirmed, but increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radio and cassette players and mobile telephones.
RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban (禁止) such devices from being used during "critical" stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights.Currently, rules on using these devices are left up to individual airlines.And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers.Experts know that portable devices emit radiation which affects those wavelengths which aircraft use for navigation and communication.But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not.
The fact that aircraft may be vulnerable (易受损的) to interference raises the risk that terrorists may use radio system in order to damage navigation equipment.As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too louD、
Why is it difficult to predict the possible effects of electromagnetic fields on an airplane’s computersA．Because it is extremely dangerous to conduct such research on an airplane.
Because it remains a mystery what wavelengths are liable to be interfered with.
C．Because research scientists have not been able to produce the same effects in labs.
D．Because experts lack adequate equipment to do such researc
动力机械测试技术激光多普勒测速技术的原理是什么？
动力机械测试技术激光多普勒测速技术的原理是什么？
试述物性型传感器和结构型传感器的原理及其特点。
试述物性型传感器和结构型传感器的原理及其特点。
Advertisingisaformofselling.Forthousands

Advertising is a form of selling. For thousands of years there have been individuals who have tried to {{U}} (56) {{/U}} others to buy the food they have produced or the goods they have made or the services they can {{U}} (57) {{/U}}.
But in the 19th century the mass production of goods {{U}} (58) {{/U}} the Industrial Revolution made person-to-person selling inefficient. The mass distribution of goods that {{U}} (59) {{/U}} the development of the railway and highway made person-to-person selling too slow and expensive.At the same time, mass communication, first newspapers and magazines, then radio and television, made mass selling through {{U}} (60) {{/U}} possible.
The objective of any advertisement is to convince people that it is in their best {{U}} (61) {{/U}} to take the action the advertiser is recommending. The action {{U}} (62) {{/U}} be to purchase a product, use a service, vote for a political candidate, or even to join theArmy.
Advertising as a {{U}} (63) {{/U}} developed first and most rapidly in the United States, the country that uses it to the greatest {{U}} (64) {{/U}}. In 1980 advertising expenditure in the U.S. exceeded 55 billion dollars, or {{U}} (65) {{/U}} 2 percent of the gross national product.Canada spent about 1.2 percent of its gross national product {{U}} (66) {{/U}} advertising.
{{U}} (67) {{/U}} advertising brings the economics of mass selling to the manufacturer, it produces benefits for the consumer {{U}} (68) {{/U}}. Some of those economies are passed along to the purchaser so that the cost of a product sold primarily through advertising is usually far {{U}} (69) {{/U}} than one sold through personal salespeople.Advertising brings people immediate news about products that have just come on the market. Finally, advertising {{U}} (70) {{/U}} for the programs on commercial television and radio and for about two thirds of the cost of publishing magazines and newspapers.
A．works
B．calls
C．looks
D．pays
单项选择
单项选择