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1、课时规范练35Unit20(35分钟).阅读理解A(2018全国卷)Many of us love July because its the month when natures berries and stone fruits are in abundance.Thesecolourful and sweet jewels from British Columbias fields are little powerhouses of nutritional protection.Of the common berries,strawberries are highest in vitamin
2、 C,although,because of their seeds,raspberries contain a little more protein(蛋白质),iron and zinc(not that fruits have much protein).Blueberries are particularly high in antioxidants(抗氧化物质).The yellow and orange stone fruits such as peaches are high in the carotenoids we turn into vitamin A and which
3、are antioxidants.As for cherries(樱桃),they are so delicious who cares?However,they are rich in vitamin C.When combined with berries or slices of other fruits,frozen bananas make an excellent base for thick,cooling fruit shakes and low fat “ice cream”.For this purpose,select ripe bananas for freezing
4、as they are much sweeter.Remove the skin and place them in plastic bags or containers and freeze.If you like,a squeeze of fresh lemon juice on the bananas will prevent them turning brown.Frozen bananas will last several weeks,depending on their ripeness and the temperature of the freezer.If you have
5、 a juicer,you can simply feed in frozen bananas and some berries or sliced fruit.Out comes a “soft-serve” creamy dessert,to be eaten right away.This makes a fun activity for a childrens party;they love feeding the fruit and frozen bananas into the top of the machine and watching the ice cream come o
6、ut below.1.What does the author seem to like about cherries?A.They contain protein.B.They are high in vitamin A.C.They have a pleasant taste.D.They are rich in antioxidants.2.Why is fresh lemon juice used in freezing bananas?A.To make them smell better.B.To keep their colour.C.To speed up their ripe
7、ning.D.To improve their nutrition.3.What is “a juicer” in the last paragraph?A.A dessert.B.A drink.C.A container.D.A machine.4.From which is the text probably taken?A.A biology textbook.B.A health magazine.C.A research paper.D.A travel brochure.B(2018江苏无锡期中)A new app is trying to make it simpler to
8、help you react to photos and videos that your friends post onlineits using AI to capture(捕捉) your facial expressions and automatically translate them into a range of emoji faces.Polygram,which is free and available only for the iPhone for now,is a social app that lets you share things like photos,vi
9、deos,and messages.Unlike on Facebook,though,where you have a small range of pre-set reactions to choose from beyond clicking a little thumbs-up icon,Polygram uses a neural(神经的)network that runs locally on the phone to figure out if youre smiling,bored,embarrassed,surprised,and more.MarcinKmiec,one o
10、f Polygrams founders,says the apps AI works by capturing your face with the front-facing camera on the phone and analyzing the images as quickly as possible,rather than just looking at specific points on the face like your eyes and nose.“This is done directly on the phone,using the iPhones picture p
11、rocessing unit,”he says.When you look at a post in the app,you see a small yellow emoji on the bottom of the display,its expression changing along with your real one.Theres a slight delay20 milliseconds,which is just hard to noticebetween what youre expressing on your face and what shows up in the a
12、pp.The app records your response(s) in a little log of emoji on the side of the screen,along with those of others whove already looked at the same post.The app is meant to appeal to those who really care about how theyre understood on social media.Users can see a record of the emoji reactions to eac
13、h photo or video they post to the app,as well as details about who looked at the post,how long they looked at it,and where theyre located.Eventually,the founders say,they may release software tools that let other developers come up with their own applications for the technology.5.As a new social app
14、,which characteristic of Polygram is TRUE?A.It is cheap and available only for the iPhone for now.B.It eventually transfers emoji faces to facial expressions automatically.C.Itspecialises in a neural network that runs originally on your phone.D.It needs to choose from many reactions that have been s
15、et previously.6.Those who will be obviously attracted by this new app.A.are new technology fansB.are addicted to new iPhonesC.have great passion for emojisD.are concerned about self-evaluation7.Whats the purpose of the passage?A.To promote and sell a new software.B.To introduce to us a new and popul
16、ar app.C.To reveal the significance of new technology.D.To inform us of the popularity of a new app.七选五阅读(2017全国卷)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Lots of people find it hard to get up in the morning,and put the blame on the alarm clock.Infact,the key to easy morning wake-up lies in resettin
17、g your body clock.1 Heres how to make one.2 In order to make a change,you need to decide why its important.Do you want to get up in time to have breakfast with your family,get in some exercise,or just be better prepared for your day?Once you are clear about your reasons,tell your family or roommates
18、 about the change you want to make. Rethink mornings.Now that you know why you want to wake up,consider re-arranging your morning activities.If you want time to have breakfast with your family,save some time the night before by setting out clothes,shoes,and bags.3Thats a quarter-hour more you could
19、be sleeping if you bought a coffee maker with a timer. Keep your sleep/wake schedule on weekends.If youre tired out by Friday night,sleeping in on Saturday could sound wonderful.But compensating on the weekends actually feeds into your sleepiness the following week,a recent study found.4 Keep a reco
20、rd and evaluate it weekly.Keep track of your efforts and write down how you feel.After youve tried a new method for a week,take a look at your record.5If not,take another look at other methods you could try.A.Get a sleep specialist.B.Find the right motivation.C.A better plan for sleep can help.D.And
21、 consider setting a second alarm.E.If the steps you take are working,keep it up.F.Stick to your set bedtime and wake-up time,no matter the day.G.Reconsider the 15 minutes you spend in line at the cafe to get coffee.语篇填空Many teachers believe that hands-on experience is the 1. (good) way to learn.A gr
22、oup of students in the United States are putting that belief to the test.They 2. (success) designed and built a robot for discovering unexplored mines 3. the bottom of the sea.Students made the robot 4. (answer) a challenge from the U.S.Department of Defense.The students tested the underwater vehicl
23、e 5. (call) Perseus in a 95-meter-long tank of water at the Stevens Institute of Technology.The robot costs about $15,000 to build.The students use a video game control to direct 6.(it) movements in the tank.Whatsmore,devices known as Japters 7.(able) the robot to go up,down and toward its target in
24、 the water.Video cameras on the robot send images back to a computer through a 13-meter-long cable.Perseus also has 8.set of lasers(激光),which are used to measure the size of an object.The robot is the creation of five undergraduate students.For over six months,they worked up 9. 20 hours a week to design and build Perseus .DeLorme supervised the project from 10.(begin) to end.He says the specialized requirements of robots were demanding.答案：.1.C2.B3.D4.B5.C6.D7.B.15 CBGFE.1.best2.successfully3.at4.to answer5.called6.its7.enable8.a9.to10.beginning