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【单选题】
I recently wrote an autobiography in which I recalled many old memories. One of them was from my school days, when our ninth grade teacher, Miss Raber, would pick out words from Reader's Digest to test our vocabulary. Today, more than 45 years later, I always check out ' It pays to Enrich Your Word Power' first when the Digest comes each month. I am impressed with that idea, word power. Reader's Digest knows the power that words have to move people to entertain, inform. and inspire. The Digest editors know that the big word isn't always the best word. Take just one example, a Quotable Quote from the February 1985 issue: ' Time is a playful thing. It slips quickly and drinks the day like a bowl of milk. ' Seventeen words, only two of them more than one syllable, yet how much they convey! That's usually how it is with Reader's Digest. The small and simple can be profound. As chairman of a foundation to restore the Statue of Liberty, I've been making a lot of speeches lately. I try to keep them fairly short. I use small but vivid words: words like 'hope' , 'guts', 'faith' and 'dreams'. Those are words that move people and say so much about the spirit of America. Don't get me wrong. I'm not against using big words, when it is right to do so, but I have also learned that a small word can work a small miracle—if it's the right word, in the right place, at the right time. It's a 'secret' that I hope I will never forget. The passage is mainly about______.
A.
one of the many old memories
B.
using simple words to express profound ideas
C.
Reader's Digest and school speeches
D.
how to make effective speeches
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【判断题】Windows 防火墙能帮助阻止计算机病毒和蠕虫进入用户的计算机,但该防火墙不能检测或清除已经感染计算机的病毒和蠕虫。( )
A.
正确
B.
错误
【单选题】下列关于 Cl-CH 2 -CH 2 -CH 2 -Cl 的 1 H-NMR 谱图上的峰 , 描述正确的是
A.
1 个单峰
B.
3 个单峰
C.
1 个三重峰 , 1 个五重峰
D.
1 个单峰 , 1 个二重峰
【单选题】下列哪个不是“疾病信息管理学”的研究对象()
A.
病案管理
B.
病案部门组织
C.
专业标准
D.
医疗保险
E.
病案专业技术、方法
【单选题】在研究 CH 3 CH 2 Cl的水解反应中,下列描述中,只有一个现象是不会和其他三个选顶现象同时出现的,请指出来:
A.
NaOH浓度增加,反应速度加快
B.
产物构型发生反转
C.
若改在DMSO溶液中进行,反应速度加快
D.
有重排产物
【判断题】Windows防火墙能帮助阻止计算机病毒和蠕虫进入用户的计算机,能检测或清除已经感染计算机的病毒和蠕虫。
A.
正确
B.
错误
【单选题】下列描述中能说明反应CH 3 COOH + C 2 H 5 OH CH 3 COOC 2 H 5 + H 2 O已达到化学平衡状态的是 [     ] ①单位时间里,生成1mol乙酸乙酯,同时生成1mol水 ②单位时间里,生成1mol乙酸乙酯,同时生成1mol乙酸 ③单位时间里,消耗1mol乙醇,同时消耗1mol乙酸 ④正反应的速率与逆反应的速率相等 ⑤混合物中各物质的浓度不再变化
A.
②④⑤
B.
②⑤
C.
①③⑤
D.
②③④
【单选题】What is the result of the following code?
A.
代码产生的结果是
B.
ring myName = "Oscar"; char firstLetter = myName.charAt("Oscar"); System.out.print(firstLetter);
C.
There is a compiler error. (编译错误)
D.
There is a runtime error.(运行错误)
E.
There is a logical error.(逻辑错误)
F.
There is no error.
【多选题】Compute the Maximum Hamming distance of the following code: 0011010010111100 0000011110001111 0010010110101101 0001011010011110 Compute the Minimum Hamming Distance of the following code: 001101001011...
A.
6
B.
7
C.
8
D.
4
【单选题】下列描述不正确的是
A.
抗体都是免疫球蛋白
B.
Ig单体分子一般是二价
C.
每种浆细胞产生的抗体分子与其表面抗原受体(mIg)具有不同的抗原结合特性
D.
存在于CH1与CH2之间,可折叠,改变Ig构型
E.
高变区位于免疫球蛋白的可变区内
【单选题】Consider the following code snippet: If this code were executed, which of the following statements would be true?()
A.
The priority of the lne_job1 job would be set to 1.
B.
The lne_job1 job would be executed synchronously.
C.
The lne_job1 job would run immediately in the user‟s current session.
D.
The lne_job1 job would retain its current priority.
E.
The job will immediately take priority over all running jobs.
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