【单选题】
CTL杀伤靶细胞的特点不包括
A. 可连续杀伤多个靶细胞
B. 哈哈哈(ಡωಡ)hiahiahia
C. 哈哈哈!
D. 不
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答案
A
解析
暂无解析
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【单选题】
对穿孔素的叙述错误的是
A. 能使靶细胞凋亡
B. 选_
【单选题】
与CTL细胞杀伤作用无关的是
A. 调理素
B. 哈哈哈
C. 不
D. 哈哈哈
【单选题】
T细胞所不具备的生物学作用
A. 介导ADCC作用
B. 哈哈哈
【单选题】
体液免疫应答由
A. B细胞介导
B. 哈哈哈
【单选题】
B细胞区别T细胞最显著的特征是
A. 表达MIg识别抗原
B. 的
【单选题】
B细胞不表达的分子是
A. CD2
B. 哈哈哈
【单选题】
B细胞识别特异性抗原
A. 没有MHC限制性
B. 你
【单选题】
TI-Ag刺激机体,主要产生
A. 低亲和力的LgM类抗体
B. 哈哈哈
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可调节Ig类转换的细胞是
A. Th细胞
B. 哈哈哈
【单选题】
的初次应答产生的抗体主要是
A. LgM
B. 的
【单选题】
再次免疫应答是基于
A. 记忆细胞活化
B. 的
【单选题】
可以被动转移特异性体液免疫是
A. 抗体
B. 选B
【单选题】
再次注射疫苗刺激机体产生抗体,主要是
A. LgG
B. ➕
【单选题】
固有免疫细胞所不具有的应答特点是
A. 克隆增殖分化,迅速产生免疫应答
B. 固有免疫应答(遗传、无抗原激发、无免疫记忆、无抗原特异性、无克隆增殖、发挥早期防御作用)
C. 适应性免疫应答(不能遗传、需要抗原激发、作用慢、有抗原特异性、具有耐受性、发挥晚期免疫作用、必须克隆增殖
【单选题】
不属于固有免疫应答的是
A. 血液和体液中存在的抗体成分
B. 哈哈
【单选题】
抗原浓度较低时,能有效提呈抗原的细胞是
A. B细胞
B. 我猜书上的答案
C. 选的是
D. E,B细胞
【单选题】
能浓集低浓度的可溶性抗原并使之内化的细胞是
A. B细胞
B. 我猜就是B细胞
C. 你说呢
【单选题】
B细胞区别于其他APC的显著特点是
A. 直接通过BCR直接摄取抗原
B. 我慢点
C. 你快点
D. 想太多
【单选题】
抗原浓度较低的情况下,B细胞摄取抗原主要是依靠
A. 通过高亲合力的抗原受体浓集内化抗原
B. 内源性
C. 内化
D. 你可以
【单选题】
机体内的免疫细胞
A. 通常处于静止状态,需会话才能发挥免疫效应
B. 哈哈哈
C. 哈哈哈
D. 哈哈哈
【单选题】
特异性免疫应答的基本过程
A. 识别、活化、效应
B. 选A
C. 书上选A
D. 真的是!
【单选题】
适应性的特点
A. 可以产生免疫记忆
B. 剑书
【单选题】
于特异性抗原相遇的成熟T细胞统称为
A. 初始T细胞
B. 选A
【单选题】
关于免疫细胞和膜分子,错误的组合为
A. NK细胞,CD4+
B. 哈哈哈(ಡωಡ)hiahiahia
【单选题】
效应T细胞指的是
A. CD4 Th1细胞
B. 书上选D
C. 哈哈哈
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与细胞免疫无关的是
A. 抗体
B. 哈哈哈
【单选题】
特异性细胞免疫的效应细胞是
A. Th1和CTL细胞
B. 哈哈哈(ಡωಡ)hiahiahia
C. 哈哈哈
D. 哈哈哈
【单选题】
T细胞特异性活化第一步
A. 初始T细胞表面的TCR识别APC表面的抗原肽MHC复合物
B. 哈哈哈
C. 哈哈哈(ಡωಡ)hiahiahia
D. 书上选C
【单选题】
Th细胞的主要功能是
A. 分泌细胞因子
B. 哈哈哈
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对T细胞活化、增殖和活化的最重要细胞因子是
A. lL-2
B. 哈哈哈
【单选题】
通过释放淋巴因子发挥免疫作用的T细胞是
A. Th1细胞
B. 选A
C. 同书上
D. 哈哈哈
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不属于细胞免疫范畴的是
A. 抗化脓性细菌感染
B. 哈哈哈
C. 哈哈哈
D. 不
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细胞摄取可溶性小分子物质,被称为
A. 饱饮作用
B. 不能
【单选题】
外源性抗原在巨噬细胞内消化降解的部位是
A. 内体溶酶体
B. 是这样的
C. 没犯病
D. 作者是谁
【单选题】
对细菌颗粒性吞噬作用最强的细胞是
A. 巨噬细胞
B. 作者是谁
【单选题】
抗原提呈MHC I类分子分子途径中,抗原提呈的对象
A. CTL
B. MHC I类分子 cd8+(CTL)
C. MHC II类分子 cd4+ (Th)
【单选题】
内源性抗原肽需要经那种分子转运进入内质网
A. TAP
B. 书上答案
C. 选的是
D. B
【单选题】
能分化为巨噬细胞的前体细胞是
A. 单核细胞
B. 书上答案
C. 你猜是什么
D. 我猜选A
【单选题】
B细胞激活、增值分化主要部位
A. 外周免疫器官的淋巴滤泡
B. 睡觉
【单选题】
树突细胞的特点不包括
A. 高表达膜免疫球蛋白
B. 早
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下列除哪一项外均是血液正常运行所必需的条件___
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昼行于阳,夜行于阴的气是___
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“夺血者无汗”的生理基础是___
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Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
B. Go to buy a new Harry Potter book .
C. Watch BBC news about J .K .Rowling .
D. Take her cousin to see a new Harry Potter  movie .
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Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
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Q3: What are J. K. Rowling’s future plans?___
A. She won't write any more books .
B. She will write more magic stories .
C. She hasn't said anything about her future  plans .
D. She said she would work on more serious  subjects .
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Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
B. J .K .Rowling's writing plan .
C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen?___
A. She gave him a long lecture .
B. She shouted at him in anger .
C. She enjoyed the wonderful mess .
D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
B. How to carry a milk bottle .
C. How to clean up spilled milk .
D. How to avoid making mistakes .
【单选题】
Q4: What did Stephen learn from this experience?___
A. Mistakes can become learning  opportunities .
B. Mistakes are just like scientific  experiments .
C. One should sometimes make mistakes .
D. One should try to avoid making mistakes .
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Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
B. Because he wants to challenge himself .
C. Because it can help solve his sleeping problem .
D. Because it can help him forget all his  troubles .
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
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C. To go to the beach .
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【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and  nephew .
D. Playing in the sand and jumping in the  waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
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Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to  music most .
B. It was getting more and more popular  among the British people .
C. It was the third most popular activity  among people aged 55 and over .
D. People aged 25 to 34 listened to music  more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and  gardening .
D. Younger people spend less time visiting  friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice  cream .
B. She won the spelling competition at her  school .
C. She is going to the state capital for a  competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle  down .
B. His family bought him a new suit and a  new tie .
C. He went to Sacramento for a spelling  competition .
D. He won the first prize in the state spelling  competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the  first prize .
B. To apologize for not buying him some ice  cream .
C. To wish him good luck in the next  competition .
D. To congratulate him on winning the first  prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
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Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the  train .
B. She can read and respond to emails onthe  train .
C. She can travel to many different parts of  the city .
D. She can go shopping on her way home  from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the  city .
B. He can save a lot of money when he takes  the train .
C. He can save 20 minutes to go to work with  the train .
D. He can take the train to the airport instead  of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an  hour getting to work .
B. Over 10 percent of Americans spend less  than an hour getting to work .
C. Only New York people spend more than  90 minutes getting to work .
D. Over 10 percent of Americans spend more  than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
【单选题】
Q2: What is the actual reason that Katy doesn’t want to attend Jason’s party?___
A. None of her friends likes Jason .
B. None of Jason's guests is young .
C. She wants to go to Linda's party ..
D. She went to Jason's party last year .
【单选题】
Q3: What is special about Linda’s party?___
A. The party will last four hours .
B. Six people will attend the party .
C. They will have huge bags of candy .
D. They will play a new game called "GuessWho ".