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依据《交通信息采集微波交通流检测器》（GB/T20609-2006）。检测断面内车流量的检测精度应不低于（　　）。

A.80%
B.83%
C.95%
D.99%
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民警小刘发现甲、乙二人赌博，将二人带回派出所，途中， 乙试图逃跑，小刘便用随身携带的警棍将乙打成轻微伤。下列说法正确的是（ ） A. 小刘的行为属于个人行为，应当受到行政法律制裁。 B. 小刘的行为不是职务行为， 因为该行为超越了职务范围。 C. 小刘的行为属于职务行为，应当自行承担赔偿责任。 D. 小刘的行为属于职务行为
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It’s that time of the year－graduation. The end of school year is nearly in sight, and it’s an especially big deal if you’re finishing high school or college.
One amazing（令人惊叹的）16-year-old Florida girl, Grace Bush, graduated from both high school and college this week！She actually got her college diploma（毕业证书）before her high school diploma. How’d she do that?
“Hard work and dedication（专心致志）,”she told a local TV news station, “have made me succeed in doing high school and college at the same time.” She started taking college courses when she was just 13. She would often get up at 5:30 a.m. and not finish until after 11 p.m.
Doing both at once is a huge achievement, but it has also helped her family save money. She’s one of the 9 children, all home-schooled until the age of 13．Her father is a math professor while her mother is a part-time history teacher in a high school. Grace Bush has earned her college degree in law, with a near perfect GPA of 3.8 and she hopes to become a lawyer one day, although her parents expect her to teach at university. By the way, she also plays basketball in her college team in her spare time.
Why does the author say that Grace is amazing?（　　
A.Shegraduatedfromcollegeat16
B.Sheneverwenttobedbefore11p.m
C.Shefinishedhighschoolearlierthanothers
D.Shegottwodiplomasfromthesameschool
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根据《隔离栅第1部分：通则》（GB/T26941.1）规定，隔离栅产品力学试验所用的万能材料试验机等级应不低于（　　）级。
A.0.5
B.1
C.2
D.3
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