_______ the school, the village has a clinic, which was also built with government support. A. In reply to B. In addition to C. In charge of D. In place of
在图2-8-6所示电路的三根导线中,有一根是断的,电源,电阻R1、R2及另外两根导线都是完好的,为了查出断导线,某学生想先将多用电表的红表笔直接
如图,有一块半圆形钢板,直径AB=20cm,计划将此钢板切割成下底为AB的等腰梯形,上底CD的端点在圆周上,且CD=10cm.求图中阴影部分的面积.
若某物体做s=(1-t)2的直线运动,则其在t=1.2 s时的瞬时速度为________.
I have no idea whether the book is ________ great value to your English study. A.of B.with C.in D.on
如图,在平面直角坐标系中,已知,两点的坐标分别为,,是线段上一点(与,点不重合),抛物线()经过点,,顶点为,抛物线()经过点,,顶
Town Cinema has__________ seats of all. A.most comfortable B. comfortable C.the most comfortable D. more comfortable
如图所示,许多建筑采用玻璃进行外墙装潢,这在美化城市的同时却造成了光污染,造成这种污染的主要原因是由于阳光在玻璃表面发生了_____反射.