安徽省2023-2024学年度第一学期九年级期末质量检测试卷(TH)英语x

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安徽省2023-2024学年度第一学期九年级期末质量检测试卷(TH)英语x试卷答案

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20.What did the old man mean in the end?A.Something is impossible to make up for.B.No one can avoid making mistakes.C.It is great to correct what one has done wrong.

第二节 (共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。China flight-tested a methane-propelled(甲烷推进) carrier rocket 56 (successful)on Wednesday morning, 57 (mark) the first orbital mission of any methane-fueledrocket in the world.The rocket, named ZQ-2, lifted off at 9:00 am from the Jiuquan Satellite LaunchCenter and transported experimental equipment into Earth's orbit. The mission also madeZQ-2 the 58 (large) and most powerful private rocket in China.Compared with 59 (tradition) types of rocket engines that can function only once,a methane engine is reusable and more environmentally friendly.Yang Yu guang, 60 senior space industry observer, said the ZQ-2 has set a newmilestone in the global space industry.“This is the first time a rocket fueled by methane andliquid oxygen 61 (enter) Earth's orbit. Methane-liquid oxygen engines are widelyrecognized 62 the most suitable propulsion(推进) system for reusable rockets, ”hesaid.Rocket engineers around the world have been striving to develop reusable engines formany years and those 63 (build) previously needed alot of money and time to undergomaintenance before they could 64 (reuse) , according to Yang.____“By contrast, methane-liquid oxygen engines promise the most convenient checks65 maintenance for reuse, saving a considerable amount of time and money, ”he said.