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A My color television has given me nothing but a headache. I was able to buy it a little over a year ago because I had my relatives give me money for my birthday instead of a lot of clothes that wouldn't fit. I let a salesclerk fool me into buying a discontinued model. I realized this a day later, when I saw newspaper advertisements for the set at seventy­five dollars less than I had paid. The set worked so beautifully when I first got it home that I would keep it on until stations signed off for the night. Fortunately, I didn't get any channels showing all­night movies or I would never have gotten to bed. Then I started developing a problem with the set that involved static ( 静电 ) noise. For some reason, when certain shows switched into a commercial , a loud noise would sound for a few seconds. Gradually, this noise began to appear during a show, and to get rid of it, I had to change to another channel and then change it back. Sometimes this technique would not work, and I had to pick up the set and shake it to remove the sound. I actually began to build up my arm muscles ( 肌肉 ) shaking my set. When neither of these methods removed the static noise, I would sit helplessly and wait for the noise to go away. At last I ended up hitting the set with my fist, and it stopped working altogether. My trip to the repair shop cost me $62, and the set is working well now, but I keep expecting more trouble. 1. Why did the author say he was fooled into buying the TV set? A . He got an older model than he had expected. B . He couldn't return it when it was broken. C . He could have bought it at a lower price. D . He failed to find any movie shows on it. 2. Which of the following can best replace the phrase “signed off” in Paragraph 1? A . ended all their programs B . provided fewer channels C . changed to commercials D . showed all­night movies 3. How did the author finally get his TV set working again? A . By shaking and hitting it. B . By turning it on and off. C . By switching channels. D . By having it repaired. 4 . How does the author sound when telling the story? A . Curious. B . Anxious. C . Cautious. D . Humorous. B One winter, my cousin and I were playing toy blocks in the yard. My mom was out for shopping to get groceries and my dad was asleep upstairs in his room. Suddenly, it started to snow. First it was just a little. But then it started to pour heavily. Then, we put the finishing touches to our blocks and headed back inside. Right when I opened the sliding glass door, my cousin fell down on the slippery wooden stairs. I let go of the door, my worst mistake, you see. The door locks automatically but I had put a rock, right next to the door so it wouldn't close. But while I was running to my cousin's aid I'd accidentally kicked the rock. Now, my cousin and I were locked outside. And unfortunately it started to get really windy. It was really freezing with the snow. First we started to call my dad, but he was sleeping soundly. I mean sleep­through­a­tornado­soundly. It was of no use. Then I tried to climb over the fence but it didn't work because the fence was iced by snow and wind, and the fence is six feet high. So, I climbed up to my tree house and brainstormed some ideas on ways to get out. At one point, I was seriously considering jumping out of the tree house and use the trampoline ( 蹦床 ) to jump over the fence. So, we got to work. First, I took out the trampoline. Then I started to jump. First try—I almost cracked my head. Second try—this time I convinced my cousin to do it but at the last second, he chickened out . Third try—I jumped and missed but at the last second, my hand caught the fence, and with a lot of pushing I finally climbed over the fence and luckily, I fell on a big snow drift. Finally, my mom came back. Then I got inside and unlocked the door for my cousin to get in. Then we shared this story to my mom and dad. 1 . When the author wanted to jump out, the main problem was that________. A . the fence was icy B . the fence was slippery and high C . the trampoline couldn't bear the weight D . the trampoline was too small 2 . The attitude of the author's cousin towards jumping on trampoline seems ________. A . passive B . positive C . indifferent D . objective 3. The words “chickened out” most probably means________. A. fell down B. cried out C. jumped up D. backed out 4 . Which would be the best title of the text? A. Climbing Fence in the Snow B. An Adventure in Yard C. Friendship Produces Pleasure D. We Are Independent
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参考答案:
举一反三
【单选题】当交流电流通过一导体时,产生的电磁感应将迫使电流趋向于由导体表面经过,这一现象被称为“( )”。
A.
电磁感应
B.
洛沦兹力
C.
集肤效应
D.
电流感应
【单选题】荧光免疫显微技术中,间接法可检测
A.
抗原
B.
抗体
C.
补体
D.
蛋白质
E.
抗原或抗体
【简答题】三分之一的大三打工学生
【多选题】ICU收治病种包括:
A.
大面积烧伤者
B.
急性中毒、毒蛇咬伤者
C.
恶性肿瘤晚期病人
D.
各种休克
E.
MODS患者
【简答题】马氏体相变包括( )和非热弹性马氏体相变
【单选题】制备甘油栓时,会产生大量泡沫是什么原因?
A.
碳酸钠与硬脂酸产生皂化反应,产生二氧化碳,生成大量泡沫。
B.
甘油与碳酸钠反应产生的泡沫
C.
硬脂酸与甘油反应产生的泡沫
D.
碳酸钠与水反应产生的泡沫
【单选题】胶体金免疫检测技术优于ELISA法和免疫荧光法的最主要一点是
A.
肉眼直接判定结果
B.
敏感性更高
C.
特异性更高
D.
可以定量和定性
E.
结果更可靠
【单选题】三羧酸循环过程中,每一次循环可释放几对氢原子( )
A.
4对
B.
8对
C.
6对
D.
2对
E.
1对
【单选题】荧光免疫检测技术可检测()
A.
药物
B.
农药
C.
兽药残留
D.
生物毒素
【多选题】荧光免疫显微技术在临床可用于检测
A.
血清中自身抗体的检测
B.
各种微生物的快速检查和鉴定
C.
寄生虫感染的诊断
D.
白细胞分化抗原的检测
E.
HLA分型检测
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