【简答题】朗读短文,选择合适句子,补全对话。 A. My name is Jenny. B. Fine, thank you! C. How are you? D. this is Steven A: Jenny, 1_____________. He is a new boy in school. B: Hello, Steven! 2_____________ C: Fine, thanks. How ...
【简答题】选择合适的词填空。 on in with for of 1. Jenny, this is your coat. Put it _____________. 2. Thank you _____________ your help. 3. He likes to splash _____________ the rain. 4. I like to play _______...
【简答题】给下列的句子选择合适的答语。 ( ) 1. Here you are. ( ) 2. Thank you. ( ) 3. How many gifts? ( ) 4. May I have a look? ( ) 5. Look! I have a big rabbit. A. Four gifts. B. Thank you. C. You're welc...
【判断题】光电二极管PN结工作在反向偏置状态,在光的照射下,反向电流随光照强度的增加而上升。
【简答题】选择合适的语句补全对话。 A. This gift is for you. B. I'm ten years old. C. Thank you. Danny: Happy birthday, Jenny! Jenny: 1_____________________ Danny: How old are you? Jenny: 2_____________________ Danny: 3____...
【简答题】如图,以O为端点的射线OA所在直线的函数关系式为y= x(x≥0),射线OA上有一点M(8,y),另一点P从O点出发沿射线OA方向以每秒1个单位长度的速度运动,设运动时间为t秒,∠AOx=α。 (1)求y以及sinα、cosα的值; (2)用含t的代数式表示点P的坐标。
【简答题】光电二极管又称 二极管,是 PN结工作在 偏置状态下的二极管,它的反向电流会随光照温度的增加而 。
【单选题】选择填空。 A: Thank you. B: . [ ]
【简答题】看图选择合适的句子,完成对话。 A. Hi! B. Thank you. C. Great. D. Nice to meet you. ( ) 1. ( ) 2. ( ) 3. ( ) 4.
【简答题】光电二极管又称 二极管,是PN结工作在 偏置状态下的二极管,它的反向电流会随光照温度的增加而 。