2022-2023学年贵州省遵义市播州区重点中学高二（下）第一次联考英语试卷,以下展示关于2022-2023学年贵州省遵义市播州区重点中学高二（下）第一次联考英语试卷的相关内容节选，更多内容请多关注我们

1、2022-2023学年贵州省遵义市播州区重点中学高二（下）第一次联考英语试卷一、阅读理解（本大题共15小题，共37.5分）AWhether youre looking to volunteer independently or with a group，we can match you to the project that best fits your goals.Interested in learning more？Read this blog post to find more about our best volunteer abroad programs. Conservation

2、 work and volunteering in Ecuador Spend your summer living on a unique island，helping people and the environment.Youll work with conservationists at the Galapagos National Park to help protect endangered animals and plants.Your second week will be spent working at a community summer camp，helping chi

3、ldren to have fun and learn through play. Start dates：Spring break Minimum duration：Two weeks Ages：15-18 Sea turtle conservation in Mexico Work with expert conservationists to protect endangered species.Carry out research and collect scientific data that will be used by researchers across the Americ

4、as.Youll have evenings and weekends off to enjoy living near a beautiful black sand beach.Youll also be able to enjoy our beachfront accommodation close to the town center with plenty of choices for dining，museums，and ecological sights. Start dates：June to September Minimum duration：One week Ages：16

5、 or over Rainforest conservation in Peru Work at the Taricaya Ecological Reserve and live at a camp in the heart of the jungle.Count wild animals in the rainforest and record their numbers for scientists，and help care for animals at our rehabilitation （康复） center. Start dates：Winter break Minimum du

6、ration：Two weeks Ages：15-18 Volunteer teaching with monks in Sri Lanka Volunteer and help student monks（僧人） improve their English skills.Add practical classroom work experience to your CV.You can also teach math，music，IT，and a range of other subjects.You will work in a coastal town within town two hours travel of Colombo，where you will be staying with a host family. Start dates：March to May Minimum duration：Four weeks Ages：16 or over1. What is sp

12.(8分)为测量双层玻璃中间真空层的厚度,用激光笔使单色光从空气以人射角θ射入玻璃,部分光线如图所示.测得玻璃表面两出射点B、C与人射点A的距离分别为x1和x2..已知玻璃的折射率为n,光在真空中的速度为c.求:(1)真空层的厚度d;(2)光从A传播到B的时间t.

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