It was not "the comet of the century" experts predicted it might be. However, Kohoutek has provided a bonanza of scientific information. It was first spotted 370 million miles from Earth, by an astronomer who was searching the sky for asteroids, and after whom the comet was named. Scientists who tracked Kohoutek the ten months before it passed the Earth predicted the comet would be a brilliant spectacle. But Kohoutek fell short of these predictions, disappointing millions of amateur sky watchers, when it proved too pale to be seen with the unaided eye. Researchers were very happy nonetheless with the new information they were able to glean from their investigation of file comet. Perhaps the most significant discovery was the identification of two important chemical compounds -- methyl cyanide and hydrogen cyanide -- never before seen in comets, but found it the far reaches of interstellar space. This discovery revealed new clues about the origin of comets. Most astronom
A. It was thought to be extremely old.
B. It passes the Earth once a century.
C. Scientists predicted it would be very bright.
D. Scientists have been tracking it for a century.
| Joe Coyne slides into the driver’s
seat, starts up the car and heads to town. The empty stretch of interstate gives
way to urban congestion, and Coyne hits the brakes as a pedestrian suddenly
crosses the street in front of him. But even if he hadn’t stopped in time, the woman would have been safe. She isn’t real. Neither is the town. And Coyne isn’t really driving. Coyne is demonstrating a computerized driving simulator that is helping researchers at Old Dominion University (ODU) examine how in-vehicle guidance systems affect the person behind the wheel. The researchers want to know if such systems, which give audible or written directions, are too distracting—or whether any distractions are offset by the benefits drivers get from having help finding their way in unfamiliar locations. "We’re looking at the performance and m A. If Coyne had stopped the car in time, he wouldn’t have hit the woman. B. The woman would have been knocked over, if Coyne had followed the traffic regulations. C. Coyne is not really driving so it is impossible for him to have hit the woman. D. If the woman had not crossed the street suddenly, Coyne would not have hit her. [单项选择]下列不属于直接压片辅料的是（）
A. 微晶纤维素 B. 淀粉 C. 聚乙二醇4000 D. 聚维酮 E. 喷雾干燥乳糖 [单选题]东平建筑公司是原南市一建筑施工企业，单位主要负责人是张三，该公司现承建原北市市政府办公楼项目，由李四担任项目经理，王五担任项目副经理，赵六是东平建筑公司的安全生产部门经理。（ ）对原北市市政府办公楼项目的安全施工负责
A. 张三 B. 李四 C. 王五 D. 赵六 [多项选择]工地例会的议题主要有( )。
A. 检查上次例会设定事项的落实情况，分析未完事项的原因 B. 检查进度，提出下一阶段进度目标及其落实措施 C. 检查分析工程质量状况，针对存在的质量问题提出改进措施 D. 研究有关索赔报告，协商对索赔的处理意见 E. 进行质量事故的分析，检查、落实质量事故的处理措施 [判断题]伪造、变造或者使用伪造、变造驾驶证的驾驶人构成犯罪的，将依法追究刑事责任。
A.正确 B.错误 [单项选择]
A. mild B. polite C. soft D. tame [判断题]在开通线路中根据线路的实际情况调整上下行目标噪声裕度。如果线路质量好，那么目标噪声裕度可以设小一些以获得高的速度；如果线路质量差，那么应该设的大一些以获得高的稳定性。
A.正确 B.错误 [简答题]02-22 06:12:18.056 17609 18273 W
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