全国100所名校最新高考冲刺卷英语2023届Y1

2023-11-12 00:46:46 6℃

全国100所名校最新高考冲刺卷英语2023届Y1正在持续更新，目前2024届最新高考模拟示范卷答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

本文从以下几个角度介绍。

28.What is the disadvantage of the 1D barcodes?A.The information they store is too little.34.B.They sometimes encoded wrong characters.C.They disturbed general market management.D.They could only be used in some supermarkets.29.What does the underlined word"it"in paragraph 3 refer to?A.A character.B.A scanner.5C.A barcode.D.Denso Wave.30.What is a reason why the QR Code spreads so quickly?A.It has been protected by a patent.B.The public are permitted to use it for free.C.It has been perfect since its first appearance.D.People have fewer demands for its variations.31.What is the text mainly about?A.An introduction of the QR Code.C.A famous development team.B.The disadvantages of the 1D barcodes.D.The reasons for developing the QR Code.如D酃Some people are early risers while others can't seem to get to bed until well after midnight.Why is this?A research team has a new finding that shows how a"switch"in the biological clocks of early risers leads长them to operate on a daily cycle of about 20 hours instead of a full 24-hour cycle.This finding from Carrie Partch and her colleagues builds on decades of research into biological clocks,区which control sleeping and waking,rest and activity,body temperature,heart rate and so on.Partch and her colleagues focus on two main clock components:an enzyme()known as casein kinase斯1 (CK1)and a protein()called PERIOD.It turns out that the timing of biological clocks is stronglyinfluenced by the rise and fall of the PERIOD protein,and this daily change normally takes place over 24期hours.But CKI adjusts PERIOD levels by chemically modifying the protein,thereby adjusting its stability.What they've discovered is that a part of CKl acts as a switch.When this switch functions normally,it射generates a near-perfect 24-hour cycle by keeping PERIOD's stability right.In this case,people easily andcorrectly match their biological clocks with the daily coming and going of daylight.If the switch favors a faster breakdown of the protein,the daily cycle grows shorter and less tightlybound to daylight.For these early risers,it's a constant struggle to adjust to life in a 24-hour world.On thecontrary,a switch that favors a slower breakdown will lengthen the clock,causing some people to be nightowls(夜猫子).Partch's discoveries are sure to offer a new view on how the biological clocks make us tick.She hopesthey'll result in new ways to adjust the clocks in people with sleep disorders and even the means to reset theclocks in people who regularly travel overseas or work the night shift.32.What does Partch's research team find?BA.What the biological clock is.B.Why some people get up early.C.Where two main clock components lie.D.How people adapt to the biological clock.33.What has a strong effect on the biological clock according to the text?A.Heart rate.B.Sleeping.C.Body temperature.D.The PERIOD protein.【高三第五次联考试卷·英语第5页（共8页）】

本文标签：

【在小程序中打开】