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1、 Unit 23Conflict课时练(一)阅读理解提速练练速度(限时：35分钟).阅读理解A(2018黑龙江哈尔滨六中一模)With fuel costs rising and airlines finding more fees to impose(强加，征税) on travelers every day，airfare isnt getting any cheaper.Since you cant drive to all your dream destinations，flying is the only way to go sometimes and，undeniably，the
2、fastest.Luckily，there are plenty of ways to find the most affordable fares and also avoid paying as many extra charges as possible when you plan ahead.Get the best fare.Airlines put out their fare sales on Tuesday morning，making this day the best day to book a flight for less.Fly during the least po
3、pular times.Tuesday，Wednesday and Saturday are the slowest days to fly，which means cheaper deals than the rest of the week.You can also find reduced rates on early morning flights，since many people dont like to get up before the sun to get to the airport.Earlier boarding times can also considerably
4、cut down your chances of getting bumped on an overbooked flight or delayed because of other delayed flights or mechanical issues.Choose your seat later.Some airlines charge you to pick your seat when you book online，adding even more to the bottom line of your ticket cost.If you show up early on your
5、 travel day，you can still get suitable seats.Some of the best seats get held back until flight day，unless others are willing to pay extra for them ahead of time，so you still have the chance at one of those.Fly on holidays.You already know that summer is the most expensive time to fly，and even though
6、 most other times are more affordable，the days surrounding holidays can be crazy.Save big if youre willing to travel on major holidays，such as Thanksgiving and Christmas.Dont wait until the lastminute to book.Many travelers dont know that theres a sweet spot for booking and getting the best price on
7、 your tickets.Book too early or too late and you could end up paying more than you need to.The best time to book is between three months and six weeks from when you want to travel.【语篇解读】本文主要讲述了在燃油费和机场建设费日益增长的今天，乘坐飞机会是非常昂贵的。本文告诉了读者几点减少费用，利用飞机便宜出行的建议。1The passage is intended to _.Ainform us how to boo
8、k a cheaper ticketBtell us how to choose the seat and time for a flightCpersuade us into travelling by airDinform us of some best ways to save money on a flight解析：D推理题。根据文章内容，主要讲述了在燃油费和机场建设费日益增长的今天，乘坐飞机会是非常昂贵的。本文告诉了读者几点减少费用，利用飞机便宜出行的建议。结合Luckily，there are plenty of ways to find the most affordable f
9、ares and also avoid paying as many extra charges as possible when you plan ahead.目的在于给读者相关的建议，故选D。2Which of the following statements is not true?AAirline travelers are supposed to pay more for the rising fuel costs.BEarly morning flight will help avoid some bumps and delays.CYou can only book your s
10、eat online before or on your flight day.DBooking too early may cost you more money on your tickets.解析：C细节题。根据文章内容If you show up early on your travel day, you can still get suitable seats.Some of the best seats get held back until flight day，unless others are willing to pay extra for them ahead of ti
11、me，so you still have the chance at one of those.由此可知，并不是在你乘坐飞机的前一天或者当天才能在网上预订座位，故选C。3Which is the best time to book the flight for October 2nd?AMay 15th.BAugust 15th.CJune 15th. DSeptember 15th.解析：B推理题。根据文章内容The best time to book is between three months and six weeks from when you want to travel.预订机
12、票的最后时机是你想要乘机的前3个月至6个星期前。如果想要10月2号出行，结合4个选项，则最佳的订票时间应为8月15号。故选B，其他时间要么过早要么过迟B(2018安徽皖南八校联考)If you want to slow aging, you might want to eat less.This finding is good news if you were a mouse.The researchers studied mice, not people.John Price and other researchers studied two groups of mice.One group
13、 was able to eat as much as it wanted.The researchers limited what the mice in the other group ate.Their diet had 35 percent fewer calories than the first group of mice.Price says the mice with the diet restrictions were “more energetic and suffered fewer disease.” They were not just living longer b
14、ut seemed to stay younger for a longer period of time.The researchers found that fewer calories slow down a natural mechanism in cells called ribosomes.Price explains that ribosomes are responsible for making important proteins in the cells.But with fewer calories, they slow down.This gives the cell
15、s more time to repair themselves.The researchers say ribosomes use from 10 to 20 percent of the cells energy to make those proteins.Price wrote that “because of this, it is impractical to destroy an entire ribosome” when it starts to break down.However, “repairing individual parts of the ribosome on
16、 a regular basis enables ribosomes to continue producing high quality proteins for longer than they would otherwise.This top quality production, in turn, keeps cells and the entire body functioning well.”Price said, “ribosome is a very complex machine, like a car.”They need “maintenance to replace the parts that wear out the fastest.When tires wear out，” he explained, “you
