内容正文:
Unit 12 Innovation—2023-2024学年高二英语北师大版(2019)选择性必修第四册单元检测卷(B卷)
一、填空题(共10小题;每小题4分,满分40分)
1.The method is ______ (specific) designed for groups.
2.Marine insurance is governed by a strict series of rules and ______ (regulate).
3.Not being exposed to sunlight is the reason for the good ______ (preserve) of the ancient painting.
4.On a social level, ______ (improve) in the quality of life can contribute greatly to social harmony.
5.Some researchers say the water ______ (available) in some of the areas has dropped well I below the internationally recognized standard.
6.I need some _____ (boil) water to wash down medicine after breakfast.
7.A survey carried out last year showed that 80% of the middle-aged in this city were in favour of the ______ (propose) on health care reform.
8.Follow the instructions, and you can learn how to use this tool e________.
9.An anonymous(匿名的)businesswoman d ________ one million dollars to the charity.
10.A m________ is a scientific instrument which makes very small objects look bigger so that more detail can be seen.
二、阅读理解(共4小题;每小题5分,满分20分)
Researchers from Purdue University have developed a new kind of white paint that can reflect over 95 percent of sunlight, which can cool the surface even lower than the surrounding temperature. Painted on a building, the new paint could help cut cooling costs and energy use.
Many kinds of reflective cooling paint have been developed over the years, but they all have their drawbacks. For the new study, the Purdue researchers developed a new method—using calcium carbonate (碳酸钙) fillers, which are much richer, cheaper, and absorb less ultraviolet (紫外线的) light. And the new reflective cooling paint can give off more sunlight—reflecting 95.5 percent of the light that strikes it. That's better than lots of other paint in development, which manages between 80 and 90 percent, although it falls short of the record holder—the Teflon coating, which reflects 98 percent of light.
The team tested the new coating ou