F. Tononi's team measured the size of these connections, or synapses, in the brains of 12 mice.

　　　G. "Sleep is the price we pay for learning," says Giulio Tononi, who developed the idea.

三、完形填空

　　　I am so thankful that I had the opportunity to spread a little love and kindness today. I had doctor's 21 in a town that's about 45 minutes from where I live. After both my appointments were 22 , I started walking away from the building and 23 an elderly woman standing at the gate anxiously. I 24 myself and asked if she was waiting for someone or she needed 25 .

　　　As it turned out, she was having 26 walking the distance and had asked for a wheelchair and a staff member to 27 her up but no one had come yet. Virginia heat was kind to no one, and I was 28 for this dear lady's health.

　　　I asked her to 29 while I went to get her wheelchair myself. I ran to the help desk and asked for a 30 to assist a lady outside. The receptionist asked me, "Is the 31 ?" I was upset at the question and answered, "She's a bit large, I suppose, but if transporting her is a(n) 32 for you, I am willing to do it myself."

　　　She looked sort of shocked by my 33 , but the woman outside needed help, no matter her 34 . The help desk woman and I walked to the end of the passage to the now seated lady. Help desk person 35 her hand to help the lady, but she said "No, I'm fine. I want to grab on to her 36 help." She was talking about me. I helped the woman into the wheelchair but first locked the brakes so that she would be 37 . After she was seated, she softly 38 me for my help.

　　　When I returned home, what happened to me today kept going through my mind and reminded me how much I 39 the opportunity to help the lady. It gave me a sense of fulfillment and a 40 heart.

　　　21．A．calls B．orders C．examinations D．appointments

　　　22．A．made B．done C．arranged D．booked

　　　23．A．recognized B．knocked C．noticed D．greeted

　　　24．A．excused B．helped C．expressed D．adjusted

　　　25．A．advice B．reference C．treatment D．assistance

　　　26．A．pressure B．trouble C．danger D．fear

　　　27．A．pick B．get C．make D．keep

　　　28．A．ready B．responsible C．thankful D．concerned

　　　29．A．help B．move C．wait D．stand

　　　30．A．wheelchair B．car C．friend D．stranger

　　　31．A．heavy B．sick C．old D．weak

　　　32．A．business B．mistake C．issue D．choice

　　　33．A．wisdom B．comment C．persuasion D．calmness

　　　34．A．shape B．age C．character D．size

　　　35．A．gave up B．reached out C．gave out D．stuck to

　　　36．A．with B．by C．for D．about

　　　37．A．stronger B．steadier C．slower D．faster

　　　38．A．called B．begged C．asked D．thanked

　　　39．A．appreciated B．needed C．expected D．found

　　　40．A．enjoyable B．familiar C．peaceful D．needy

　　第II卷（非选择题）

四、语法填空

　　　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。

　　　Young people41．(bear) in 1995 or later have another name in English一Generation Z.

　　　Now entering adulthood and soon to join the workforce, Generation Z grew up in a special period of time when technology developed fast and the Internet became42．(universe).

　　　It 43．(believe) that Generation Z is the generation that is going to shape our future,44． is why policy makers are trying45．(he) best to understand these young people. Most people agree that biggest difference between Generation Z and other generations is how connected they are. This is a group of people who have been familiar46．social media as soon as they came to the world. It may be true that Generation Z-ers have a shorter attention span(持续时间)47．a goldfish does, but since they grew up among social changes, they are more active in48．(political).

　　　Generation Z-ers are also culture creators.49．(grow) up with the Internet has freed this generation from traditional cultural expression. These young people never50．(willing) let their creativity be limited by their parents or traditional rules.

五、短文改错

　　　51．假定英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。

　　　增加：在缺词处加一个漏字符号（八），并在其下面写出该加的词。

　　　删除：把多余的词用斜线(＼)划掉。

　　　修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；