【题目】 The rapid growth in skyscrapers worldwide has led to a high demand for window washers since most of these buildings feature large glass panes (窗格) to highlight their breathtaking views.
Though the job offers a handsome salary, dangling alongside multi-story structures is dangerous, and accidents are not uncommon. However, if Israel-based company Skyline Technologies has its way, the dangerous chore may soon be taken care of by Ozmo, an intelligent window cleaning robot.
"As a society, we've become too comfortable watching people hanging off the sides of 30-story buildings," says Yaron Schwarez, co-founder and CEO of Skyline Robotics. "No salary could justify allowing people to put their lives in the hands of a system of ropes."
Much like humans, Ozmo is placed on platforms suspended from the buildings and uses its arms and brushes to clean the dirt on the glass panes. A 3D map of the building's surface programmed into its system allows the robot to skillfully handle obstacles as it moves up and down the structure. Computer vision and touch sensors enable it to move out of the way in case of unexpected events, such as the sudden opening of a window.
Unlike current window washers, the robot cleaner does not require soap to clean the glass. Instead, it uses distilled water (蒸馏水) and a process called dirt absorption to do the job. Schwarez explains, "We use pure water to absorb and remove the salts, the minerals, the oils, and the dirt from the building. We are environmentally-friendly."
Ozmo is also expected to be much more efficient than humans. While it currently takes three cleaners 480 hours each to clean the windows of a 40-story glass building, the robot will single-handedly complete the task in just 80 hours. However, unlike other robots, Ozmo will not replace human workers. It will only make their jobs safer by lifting them to the role of supervisors, who will be remotely controlling the operation from below.
Whether Ozmo, which is still undergoing testing, does as good a job as human remains to be seen.
【1】Which of the following can best replace the phrase "has its way" in paragraph 2?
A.Succeeds.B.Hesitates.
C.Struggles.D.Exists.
【2】What can we learn about Ozmo from the passage?
A.It requires chemicals to clean.
B.It has trouble crossing obstacles.
C.It operates with great efficiency.
D.It works without human helpers.
【3】What is the author's attitude towards the future application of Ozmo?
A.Optimistic.
B.Doubtful
C.Unconceded.
D.Objective.
【4】What is the best tile for the text?
A.Ozmo: a Double-edged Sword.
B.Ozmo: a Smart Window Cleaner.
C.Window Washing: a Dangerous Job.
D.Window Washing: a Blessing in Disguise.
【答案】
【1】A
【2】C
【3】D
【4】B
【解析】
这是一篇说明文。介绍一种能清洁摩天大楼窗户玻璃的新型机器人Ozmo的工作原理，优势。但是Ozmo是否能像人类一样发挥良好的作用还有待观察。
【1】
词义猜测题。根据下文the dangerous chore may soon be taken care of by Ozmo, an intelligent window cleaning robot.可知清洗摩天大楼窗户这样的杂事可以由该公司的智能机器人来做，因此可知该公司的这项技术应该是成功的。故选A。
【2】
细节理解题。根据倒数第二段Ozmo is also expected to be much more efficient than humans. Ozmo也被认为比人类的效率更高。While it currently takes three cleaners 480 hours each to clean the windows of a 40-story glass building, the robot will single-handedly complete the task in just 80 hours.可知相对人工清理一栋40层楼的玻璃建筑，人工需要480小时，而该机器人仅需80小时。可知 Ozmo 的工作效率很高。故选C。
【3】
推理判断题。根据倒数第二段Ozmo is also expected to be much more efficient than humans.可知作者认为该机器人能大大提高效率，然而却不能完全取代人工清洁。 根据最后一段Whether Ozmo, which is still undergoing testing, does as good a job as human remains to be seen.目前仍在测试中的Ozmo是否能像人类一样发挥良好的作用还有待观察。由此判断出作者对Ozmo未来的应用持客观的态度。故选D。
【4】
主旨大意题。根据第二段最后一句However, if Israel-based company Skyline Technologies has its way, the dangerous chore may soon be taken care of by Ozmo, an intelligent window cleaning robot，然而，如果以色列公司天际线技术(Skyline Technologies)能够成功的话，这种危险的家务可能很快就会由智能窗户清洁机器人Ozmo来处理。以及下文对于对于 Ozmo的工作原理，优势的介绍。可知，短文的最佳标题为“Ozmo：智能窗户清洗工”故选B。
把握文章的主旨大意主要有三种方法：
1.找准主题句，如本题的主题句在第二段的最后一句。
2.看文章篇幅主要在讲什么。
3.根据选项标题逆向推理文章可能会说些什么，如果和文章内容不匹配的不能选。
根据第二段最后一句However, if Israel-based company Skyline Technologies has its way, the dangerous chore may soon be taken care of by Ozmo, an intelligent window cleaning robot，然而，如果以色列公司天际线技术(Skyline Technologies)能够成功的话，这种危险的家务可能很快就会由智能窗户清洁机器人Ozmo来处理。以及下文对于对于 Ozmo的工作原理，优势的介绍。可知，短文的最佳标题为“Ozmo：智能窗户清洗工”故小题4选 B 。
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