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9.What does Howitt think about a drone display in paragraph 2?A.It's definitely an upward trend.B.It'll get us to reflect on energy crisis.C.It's nothing but a temporary phenomenon.D.It'll fuel the public curiosity about science.10.Which of the following may Howitt suggest according to the last paragraph?A.Promoting the production of drones.B.Diversifying the functions of drones.C.Prohibiting the displays of fireworks.D.Staging drone shows as an alternative.11.In which section of a website can we read this text?A.Advertisement.B.Business.C.Health.D.Environment.·DWith lunar exploration rocketing,it poses many challenges.Among them is a fundamentalquestion metrologists(计量学家）worldwide are working to answer:what time is it'on the Moon??The Moon doesn't currently have an independent time.Each lunar mission uses its own timescaleto coordinated universal time,or UTC-the standard against which the earth's clocks are set.Theapproach works when the Moon hosts a handful of independent missions,but it will be a problemwhen there are multiple craft working together.Space agencies will also want to track them usingsatellite navigation,which relies on precise timing signals.The most pressing need for lunar time comes from plans to create a dedicated global navigationsatellite system (GNSS)for the Moon.To tackle this problem,representatives of space agencies andacademic organizations worldwide met in November 2022 to start drafting recommendations on how todefine lunar time.Defining lunar time is not simple.According to the Special Theory of Relativity,clocks tickslower in stronger gravitational fields.The Moon's gravitational pull is weaker than Earth's,meaning alunar clock would run faster than an Earth one.Defining a lunar standard,with which all clocks are compared,will involve installing at leastthree master clocks that tick at the Moon's natural pace,and whose output is combined by analgorithm(算法)：to generate a more accurate virtual timepiece.What happens then depends on which option metrologists choose.They might decide to baselunar time on UTC..The alternative would be to use the synthesized（同步）output of the lunaratomic clocks as the Moon's own independent,continuous time,and to track its relationship to UTC.That way,even if the connection with Earth is lost,clocks on the Moon will still agree with eachother,allowing safe navigation and communications.Setting lunar time is part of a much bigger picture.It will one day work for the more-distantplanets that space agencies are ultimately targeting,such as Mars.12.What's the main idea of paragraph 2?A.The working principle of UTC.B.The achievements of space missionC.The urgency to develop satellite navigation.D.The problem of current lunar timing method.13.What is the major barrier to defining lunar time?A.Lack of professional guidance.B.The disagreement among metrologists.C.Different gravitational pull on the Moon.D.The complexity of installing master clocks.14.What's the advantage of defining the Moon's independent time?A.Keeping the clocks on the Moon corresponding.B.Helping humans land on the more-distant planets.C.Making it easier to synchronize with UTC all the time.D.Preventing spacecraft losing connection with the Earth15.What's the best title of the text?伯乐马2023年高考三轮复保分抢分系列卷