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Atom economy
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【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...
【简答题】一、 翻译词和词组(英汉互译)50分 1、 令人满意的 2、 咬,咬一口 3、 外卖食品 4、 印象 5、 柔韧的,易弯曲的 6、 有雾的 7、 be fond of 8、 a variety of 9 、 go with 10 、 clear up
【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】The teacher spent more time ( )some students' sloppy handwritings.
【单选题】The energy quanta of an atomic oscillator that emits and absorbs orange light whose frequency is 5.00 Í 10 14 Hz is. ( ).
A.
12.89 eV
B.
3.89 x 10 -19 J
C.
7.13 eV
D.
2.08 eV
【单选题】在中国传统文化中“杏坛”、“杏林”“梨园”均与相应的行业有关系,它们分别是
A.
教育、医学、戏曲
B.
戏曲、教育、医学
C.
医学、教育、戏曲
D.
戏曲、医学、教育
【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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