2020-21学年高二版第35期总第828期IV版答案与解析
D1 1-3 BDC
D2 1-3 DAD
D3 1-4 DBBA
D4 1-3 BCD
D5 1-5 GFACB
解析：
D1 1-3 BDC
1. B。根据文章第2段“… a computer program which automatically scours the government’s vaccination appointment system.”和第3段第1句“By following the CovaxSF account on social networking service Twitter, those wishing to get vaccinated can find when and where shots are available, how many appointments are open and what type of vaccine is being offered.”CovaxSF账号会发布关于新冠疫苗预约的信息，因此用户关注这一账号可以找到适合的预约时间地点，古本题选B。
2. D。根据倒数第3段最后一句“… CovaxSF has also allowed some users to avoid long trips they had planned to get a shot.”可得CovaxSF可以发布预约相关信息，避免用户打疫苗时需要跑很远的路，故本题选D。
3. C。根据文章最后一段，两个中学生喜欢编程，过去几年为社区设计过许多应用和程序应对公共卫生危机，他们也可以借此获得上大学的体验，可以推知这一段主要讲了促使两个中学生设计CovaxSF的因素，故本题选C。
D2 1-3 DAD
1. D。根据文章第5段“‘These travels allow us to meet many interesting Chinese people and experience their unique lifestyles,’…”可得探索较少人旅游的景点可以体验到独特的生活方式，故本题选D。
2. A。根据文章第6段第2句“For example, when they visited a cattle-farming clan in Yangdong village, Liping county, Qiandongnan Miao and Dong autonomous prefecture in Guizhou, they had to drive on a winding road and a bumpy mud path, …”可得旅途中会遇到难走的路，给旅行带来挑战，故本题选A。
3. D。根据文章最后一段第1句“Rather than common scenic areas, frequent outbound visitors prefer in-depth travel and are interested in the local lifestyles and local people.”可得经常出门的旅行者更喜欢深入的旅行，对当地生活方式和当地人感兴趣，故本题选D。
D3 1-4 DBBA
1. D。根据文章第3段“… scientists are eager to find out how the world’s species will react.”可得科学家想研究海水温度上升，全世界的物种会如何反应，故本题选D。
2. B。根据文章第4段“… open water species such as lobsters and fish had declined by about half in tropical marine zones across the globe because over the 40-year time period, sea temperatures in those regions had risen by roughly 0.2 C.”可得物种减少是因为海水温度上升，故本题选B。
3. B。根据文章第6段，不能迁移的物种可能会因为周围物种的迁移面临生存危机；外来物种迁移进一个生态系统，也会为这一生态系统带来危险，故本题选B。
4. A 。根据文章最后一段第3句“‘… To see such changes occurring so rapidly is something quite alarming.’”可得这一变化发生得很快，令科学家担忧，故本题选A。
D4 1-3 BCD
1. B。从第二段可知，作者发现客户的天赋是创造力，但是“... she quickly pooh-poohed it. She treated it as if it was really nothing ...”，并不把自己的天赋当一回事，故正确答案为B。
2. C。从第四段“We have to know what we're good at and how we add value and be willing to own that.”可知，正确答案为C。
3. D。从最后一段可知，作者希望借这篇文章告诉大家要认清自己的天赋所在，要对自己的天赋有信心，并认可、利用自己的天赋，故正确答案为D。
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