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【简答题】
简述 CPU 的工作原理。
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举一反三
【简答题】Directions: Please summarize the Situation Words (场景词汇) about "Living Green" from the passage in 1.3.4. And put them into Chinese. 总结1.3.4这篇短文中有关"绿色生活"的场景词汇,并给出对应中文】 Requirements: You should write do...
【单选题】患者,男, 60岁。患肺炎合并脑病,肺部听诊有痰鸣音,给予持续氧气,雾化吸入,巡视病房时发现患者出现呼吸困难,发绀,此时应采取措施为
A.
使用呼吸兴奋剂
B.
调大氧流量
C.
加压吸氧
D.
乙醇湿化
E.
吸痰
【简答题】在图示放大电路中,已知V CC =16V,R C =3KΩ,R B =300KΩ,R L =1 KΩ,β=50, 求:(1)电路的静态工作点: I BQ =__________mA I CQ =__________mA U CEQ =___________V
【判断题】Students' time spent sorting letters in many ways is essential to learning how to look at print in the early levels.
A.
正确
B.
错误
【单选题】The energy quanta of an atomic oscillator that emits and absorbs orange light whose frequency is 5.00 × 10 14 Hz is. ( ).
A.
12.89 eV
B.
3.89 × 10 -19 J
C.
7.13 eV
D.
2.08 eV
【简答题】When I was at university, I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn't do quite enough. Fred Baines was one of them. He spent mo...
【简答题】The teacher spent more time ( )some students' sloppy handwritings.
【简答题】Some parents agree that smart-phones( 智能手机 ) are bad for students' health and study. They hope their children can keep away from smart-phones. Tang Lin,14, from Changsha, supports parents opinions. He...
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