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【简答题】
Exercise 1 Choose the best answers according to the text 1. Both students and their parents wrote to the writer to seek advice about . A. how to choose courses at college B. how to take advantage of school libraries C. how to get good scores in high school or at college D. how to get a good education 2. We learn from the text that there is little chance of success in the computer industry for people who _______ . A. drop out of college B. have no high school diplomas C. fail to seize opportunities D. work as part time programmers 3. College provides a better learning environment than a library because __________ . A. it measures academic progress constantly B. it provides great amounts of information C. it promotes cooperative learning D. it fosters learning automatically 4. By mentioning the 15-year-old boy, the writer wants to tell the readers that . A. students should develop a deep interest in computers at an early age B. students should realize the importance of receiving a broad education C. students should not take a deep interest in computers too early D. students should take various science coursesD. making little human figures from clay 5. According to the writer, high school students should . A. lay a solid and broad foundation for college study B. begin to develop a deep interest in specialized knowledge C. learn to study in an independent and efficient way D. obtain good grades so as to get good jobs upon graduation
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【判断题】所谓组织设计,是指组织为适应内外环境及条件的变化,对组织的目标、结构及组成要素等适时而有效地进行的各种调整和修正。
A.
正确
B.
错误
【单选题】下列选项中属于资本市场的是()。
A.
同业拆借市场
B.
票据贴现市场
C.
国债回购市场
D.
股票市场
【多选题】手写输入设备的手写板通常接在微型计算机的 接口中。
A.
RS-232串行
B.
USB
C.
SATA
D.
键盘
E.
IDE
【单选题】对于稳定的线性定常系统,当输入一频率为w的正弦信号时,则系统到达稳态后系统输出是
A.
和输入不同频率的正弦信号,但幅值和相位会随w变化而变化;
B.
和输入同频率的正弦信号,幅值和相位随w变化而变化;
C.
和输入同频率的正弦信号,相位会随w变化而变化,但幅值不会变
D.
和输入同频率的正弦信号,幅值会随w变化而变化,但相位不会变;
【单选题】对于稳定的线性定常系统,当输入一频率为w的正弦信号时,则系统到达稳态后系统输出是:
A.
和输入同频率的正弦信号,幅值和相位随w变化而变化;
B.
和输入不同频率的正弦信号,但幅值和相位会随w变化而变化;
C.
和输入同频率的正弦信号,幅值会随w变化而变化,但相位不会变;
D.
和输入同频率的正弦信号,相位会随w变化而变化,但幅值不会变
【单选题】乳腺癌病人的乳房“桔皮样”皮肤改变是由于( )
A.
淋巴管堵塞
B.
静脉堵塞
C.
动脉堵塞
D.
乳管堵塞
E.
COoper韧带受侵
【单选题】下列选项中属于资本市场的是
A.
国债市场
B.
同业拆借市场
C.
票据贴现市场
D.
可转让大额定期存单市场
【单选题】分娩时,胎头复位的角度为
A.
30 度
B.
45 度
C.
60 度
D.
75 度
E.
90 度
【简答题】对于一稳定的线性系统,当系统的输入为正弦信号时,其稳态输出是____。只是在系统作用下,输入正弦与输出正弦在____和____上有差异,而此差异会随着输入信号____的不同而变化,输出与输入的幅值比为系统的____,输出和输入的相位差为系统的____。
【单选题】根据轮系运转时齿轮轴线位置相对机架是否固定分类,不属于轮系类型的是( )
A.
定轴轮系
B.
不定轴轮系
C.
周转轮系
D.
混合轮系
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