— Can you pass me the pens?— _________— Are they on the desk?— Oh, no. I see. Th

— Can you pass me the pens?

　　— _________

　　— Are they on the desk?

　　— Oh, no. I see. They are near the window.

A. Sorry, I don't know. B. Yes, here it is.

C. No, I can't. D. Sure, but where are they?

答案

电视剧《宰相刘罗锅》里有一句歌词“老百姓是那定盘的星”。其哲学寓意是( ) ①人民群众是历史的创造者 ②人民群众能够决定一切 ③人民群众在社

Jack’s teacher asked him the lights after class. A. turning off B. turned off C. to turn off

4．在下列有关育种的叙述中，正确的是( ) A．培育无子西瓜是利用生长素促进果实发育的原理 B．培育八倍体小黑麦是利用染色体变异的原理 C．我国用

完型填空7 完形填空。根据短文内容，选择正确的选项。A thousand years ago Hong Kong was covered by a thick forest. As more and more people came to 1 in Hong Kong, these trees w

风翔中学的同学们在做“探究水的沸腾”实验时，对水加热了很长时间后水才沸腾；他们记录的数据如下表所示：时间/min…345678910水温/℃…949596979899999

一台型号的自动机床在一小时内不需要人照看的概率为0.8，有四台这种型号的自动机床各自独立工作，则在一小肘内至多有2台机床需要工人照看的概率

图所示，某人将一物体用F=40 N的推力匀速将一个重200 N的物体推上高h=1 m、长s=6 m的斜面，则此人对物体做的总功为________J，额外功为________J，摩擦力为__

在电磁感应现象中，下列说法正确的是（）A、导体相对磁场运动，导体内一定会产生感应电流B、导体做切割磁感线运动，导体内一定会产生感应电