By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you do
题目
By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.
While the kinds of instruction offered in these programs will differ, DL usually signifies a course in which the instructions post syllabi(课程大纲), reading assignments , and schedules on Websites , and students send in their assignments by e-mail . Generally speaking, face-to-face communication with an instructor is minimized or eliminated altogether.
Many students take Internet -based courses mainly because they can_____
A) Earn their academic degrees with much less effort
B) Save a great deal on traveling and boarding expenses
C) Select courses from various colleges and universities
D) Work on the required courses whenever and wherever
相似考题
参考答案和解析
选D
Many students take Internet -based courses mainly because they can_____很多学生选择网络教育的主要原因是什么？
Work on the required courses whenever and wherever在任何地方、任何地方都可以学习。
更多“Byalmostanymeasure,thereisaboominInternet-basedinstruction.Injustafewyears,34percentofAmericanuniversitieshavebegunofferingsomeformofdistancelearning(DL),andamongthelargerschools,it’scloserto90percent.Ifyoudoubtthepopularityofthetrend,youprobablyhaven’t.I”相关问题
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第1题：
黄疸患儿合并胆红素脑病时，血清胆红素浓度至少超过
A、342 μmol/L（20.0 mg/dl）
B、257 μmol/L（15.0 mg/dl）
C、221 μmol/L（12.9 mg/dl）
D、85 μmol/L（5.0 mg/dl）
E、26 μmol/L（1.5 mg/dl）
参考答案：A
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第2题：
By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.
. What is the most striking feature of the University of Phoenix?
A) All its courses are offered online.
B) Its online courses are of the best quality.
C) It boasts the largest number of students on campus
D) Anyone taking its online courses is sure to get a degree.
第一步：看题干。What is the most striking feature of the University of Phoenix?菲尼克斯大学最惊人的特点是什么？
第二步：找原文。“It grants degrees entirely on the basis of online instruction. It enrolls 90,000 student , a statistic used to support its claim to be the largest private university in the country.”菲尼克斯大学所有的学分学位都是通过网络教育来授予的。现在录取的学生已经达到9万名，有数据表明，该学校是全美最大的私立大学。
第三步：分析选项。
A) All its courses are offered online.所有的课程都是网络课程。
B) Its online courses are of the best quality.该校的在线课程是质量最好的。
C) It boasts the largest number of students on campus.该校的在校学生的人数是最多的。
D) Anyone taking its online courses is sure to get a degree.所有参加网络课程的学生都可以获得学位。
细节题。在第一段中提及菲尼克斯大学的特点是涉及到三点：一是“所有的学分学位都是通过网络教育来授予的”；二是“学生已经达到9万名”；三是“是全美最大的私立大学”。选项中只有A才符合文意，为正确答案。
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第3题：
By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.
While the kinds of instruction offered in these programs will differ, DL usually signifies a course in which the instructions post syllabi(课程大纲), reading assignments , and schedules on Websites , and students send in their assignments by e-mail . Generally speaking, face-to-face communication with an instructor is minimized or eliminated altogether.
What accounts for the high drop-out rates for online students?
A) There is no strict control over the academic standards of the courses.
B) The evaluation system used by online universities is inherently weak.
C) There is no mechanism to ensure that they make the required effort.
D) Lack of classroom interaction reduces the effectiveness of instruction.
选C
What accounts for the high drop-out rates for online students?网络教育的学生的退学率高的原因是什么？
根据题意C最符合题意There is no mechanism to ensure that they make the required effort.对于需要付出的努力没有特别的机制去制约。 -
第4题：
执行下述指令后，(DL)=( )。 X DB '7' MOV DL， X OR DL， 0FH AND DL， 30H
A．7H
B．OH
C．30
D．30H
正确答案：D
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第5题：
婴儿期血红蛋白量约为()。
A、10g/dL左右
B、12g/dL左右
C、11g/dL左右
D、9g/dL左右
E、15g/dL左右
标准答案：C -
第6题：
以下有关功率控制参数的设置,()是正确的。A.L_RXLEV_DL_P<U_RXLEV_DL_P
B.L_RXLEV_DL_P>U_RXLEV_DL_P
C.L_RXQUAL_DL_P>U_RXQUAL_DL_P
D.L_RXQUAL_DL_P<U_RXQUAL_DL_P
参考答案：A, C
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第7题：
肾脏葡萄糖阈的数值为
A. 2000mg/dl 左右 B. 180mg/dl 左右
C. 120 ?160mg/dl D. 100 ?140mg/dl答案：B解析：[考点]肾脏近曲小管对葡萄糖的重吸收 [分析]肾小球滤过液中的葡萄糖浓度 与血浆中的相等,但尿中没有葡萄糖，说明葡 萄糖全部被重吸收回血了。但葡萄糖的重吸 收有一定限度，当滤过量达到220mg/min 时，即血浆葡萄糖浓度为180mg/dl左右时， 有一部分肾小管对葡萄糖的重吸收已达到极 限，尿中开始出现葡萄糖，此时的血浆葡萄 糖浓度称为肾糖阈。 -
第8题：
高速纺丝要求特性粘度中心值在0.63dL/g～0.68dL/g，波动值最好小于（）。
- A、0.01dL/g
- B、0.05dL/g
- C、0.10dL/g
- D、0.20dL/g
正确答案:A -
第9题：
当血钙低于下列哪个数值时，可引起手足抽搐（）
- A、1.4mmol/L（5.5mg/dl）～1.5mmol/L6.0mg/dl）
- B、1.5mmol/L（6.0mg/dl）～1.63mmol/L（6.5mg/dl）
- C、1.6mmol/L（6.5mg/dl）～1.75mmol/L（7.0mg/dl）
- D、1.75mmol/L（7.0mg/dl）～1.88mmol/L（7.5mg/dl）
- E、2.0mmol/L（8.0mg/dl）～2.13mmol/L（8.5mg/dl）
正确答案:D -
第10题：
设DL=0AAH，执行指令后能使DL=55H的指令是（）。
- A、TEST DL，55H
- B、OR AL，55H
- C、NEG DL
- D、XOR DL，0FFH
正确答案:D -
第11题：
密集城区拉网测试时，小区边缘速率要求大于等于（）。
- A、DL/UL：4/1
- B、DL/UL：4/2
- C、DL/UL：2/0.512
- D、DL/UL：4/4
正确答案:A -
第12题：
( 难度：中等)定义列表的HTML代码是（）
A.＜dt＞＜dl＞***＜dd＞***＜/dl＞
B.＜dd＞＜dt＞***＜dl＞***＜/dd＞
C.＜dt＞＜dd＞***＜dl＞***＜/dt＞
D.＜dl＞＜dt＞***＜dd＞***＜/dl＞
答案:D -
第13题：
列表标签()用于说明文件中的某些成分,可以按照特定顺序显示出来。A． < dt > < dl＞*** < dd > *** < /dl >
B． < dd > < dt＞*** < dl > *** < /dd >
C． < dt > < dd＞*** < dl > *** < /dt >
D． < dl > < dt＞*** < dd > *** < /dl >
正确答案：A
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第14题：
By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.
While the kinds of instruction offered in these programs will differ, DL usually signifies a course in which the instructions post syllabi(课程大纲), reading assignments , and schedules on Websites , and students send in their assignments by e-mail . Generally speaking, face-to-face communication with an instructor is minimized or eliminated altogether.
According to the passage , distance learning is basically characterized by_____
A) A considerable flexibility in its academic requirements
B) The great diversity of students’ academic backgrounds
C) A minimum or total absence of face-to-face instruction
D) t the casual relationship between students and professors
选C
看题干According to the passage , distance learning is basically characterized by_____远程教育的基本特征是什么？
根据原文选C -
第15题：
By almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.
While the kinds of instruction offered in these programs will differ, DL usually signifies a course in which the instructions post syllabi(课程大纲), reading assignments , and schedules on Websites , and students send in their assignments by e-mail . Generally speaking, face-to-face communication with an instructor is minimized or eliminated altogether.
According to the passage, universities show great enthusiasm for DL programs for the purpose of_____
A) building up their reputation C) upgrading their teaching facilities
B) cutting down on their expenses D) providing convenience for students
选B
There is no mechanism to ensure that they make the required effort.根据文章，大学对于远程教育太感兴趣的原因是什么？
根据文章B最适合题意cutting down on their expenses 有利于降低成本。 -
第16题：
执行下述指令后，(DL)=( )。 ADB'8' MOV DL，A AND DL，0FH OR DL，30H
A．8H
B．0FH
C．38
D．38H
正确答案：D
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第17题：
如下哪些关于功率控制参数描述正确的()A.L_RXQUAL_DL_P>U_RXQUAL_DL_P
B.L_RXQUAL_DL_P<U_RXQUAL_DL_P
C.U_LEVEL_DL_P>L_RELEV_DL_P
D.U_LEVEL_DL_P<L_RELEV_DL_P
参考答案：A, C
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第18题：
密集城区拉网测试时,小区边缘速率要求大于等于()。A.DL/UL：4/1
B.DL/UL：4/2
C.DL/UL：2/0.512
D.DL/UL：4/4
参考答案：A
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第19题：
高脂血症得诊断，总胆固醇或血三酸甘油酯值超过（）者即可诊断为高脂血症A、50mg/dl
B、200mg/dl
C、500mg/dl
D、1000mg/dl
E、1200mg/dl答案：B解析：关于高脂血症的诊断标准，目前国际和国内尚无统一的方法。既往认为血浆总胆固醇浓度>5.17mmol/L（200mg/dl）可定为高胆固醇血症，血浆三酰甘油浓度>2.3mmol/L（200mg/dl）为高三酰甘油血症。各地由于所测人群不同以及所采用的测试方法的差异等因素，所制定的高脂血症诊断标准不一。 -
第20题：
以下有关功率控制参数的设置，（）是正确的。
- A、L_RXLEV_DL_P<U_RXLEV_DL_P
- B、L_RXLEV_DL_P>U_RXLEV_DL_P
- C、L_RXQUAL_DL_P>U_RXQUAL_DL_P
- D、L_RXQUAL_DL_P<U_RXQUAL_DL_P
正确答案:A,C -
第21题：
智能变电站与主站之间通信采用（）等协议。
- A、DL／T634、DL／T5101
- B、DL／T634、DL／T5104
- C、DL／T61850
- D、DL／T860
正确答案:A,B,D -
第22题：
显性黄疸病人的血清胆红素含量高于（ ）
- A、34/μmol/L(2mg/dl)
- B、68μmol/L(4m/dl)
- C、136μmol/L(8mg/dl)
- D、171μmol/L(10mg/dl)
- E、>342μmol/L(20mg/(dl)
正确答案:A -
第23题：
以下所列协议中属于合并单元采样规约的有（）
- A、GB/T-20840.8（IEC60044-8）
- B、DL/T860.81（DL/T860-8-1）
- C、DL/T860.91（DL/T860-9-1）
- D、DL/T860.92（DL/T860-9-2）
正确答案:A,C,D