河北省2022~2023学年度高二下学期期末调研考试(23-544B)英语试卷答案,我们目前收集并整理关于河北省2022~2023学年度高二下学期期末调研考试(23-544B)英语得系列试题及其答案,更多试题答案请关注我们
河北省2022~2023学年度高二下学期期末调研考试(23-544B)英语试卷答案
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57.How much will you pay if you buy Dare to Be You and Be Your Own Superhero?A.$ 15.82. B.$ 15.99. C.$ 30.4 D.$30.57.
11. Which word best describes the author s attitude towards the new approach?A. In different.B. Tolerant.C.Skeptical. D. Supportive.DWe now have proof that one of the key building blocks for life could have come to Earthfrom space.Samples that the Japanese space probe Hayabusa collected trom the Ryu gu asteroid(龙谷小行星) in 2019 have just been analyzed. They were found to contain organic molecules(分子) ,including uracil a nucleobase nitrogen-containing compound) that is key to RNA. the substancethat cn ables the production of proteins and life itself. Uracil(4-二氧隘啶) and other nucleobase shad previously been detected in meteorites(陨星) that fell to Earth reports Popular Mecha mics.so the theory that life came from elsewhere is n’t new. But with the meteorites, there was alwaysthe possibility that the nucleobase s had come from the soil or water the celestial objects crashedinto Since the Hayabusa 2 spacecrat collected two samples directly from asteroid Ryu gu anddelivered them to Earth in sealed capsules says project co leader Yasuhiro Oba fromHokkaido University, contamination(污染) can be ruled out.The asteroid Samples date back tothe time our planet was forming some 4 5 billion years ago.in ding organic compounds in them adds to evidence that the precursors(初期形式) to lifeoriginated in space and were seeded on earth by meteorites billions of years ago.The discovery is important not only because it adds to our understanding of our origins butalso because it implies that the same process could have occurred elsewhere in the universe.12. What does the underlined word“They refer to?A. Proteins. B. Blocks.____C.Samples. D.Probes.13. Why are two samples sealed in capsules?A. To deliver them conveniently.B. To prevent them from being contaminatedC. To discover samples originD. To identify the time of forming the planet.
听下面一段对话,回答第8至10题。( ) 8. How long has n’t Mark seen Helen?A. For about 3 years.B. For about 4 years. For about 5 years.( ) 9. What was Helen like in the past?
河北省2022~2023学年度高二下学期期末调研考试(23-544B)英语