Eastern areas have ________ too many wars in the past fifty years. A. gone through B. got through C. looked through D. lived through
当导体两端电压一定时，通过导体的电流随导体电阻变化规律的图像如图所示。请根据图像判断，当导体电阻为60Ω时，通过该导体的电流为A．
过曲线（x＞0）上横坐标为1的点的切线方程为（ ）A. B. C. D.
I thought Jim would say something about his school report, but he ______ it. A. doesn’t mention B. hadn’t mentioned C. didn’t mention D. hasn’t mentioned
如图，物体S在水中静止，当向杯中十分缓慢地加水时，物体S将会:A加速上升; B保持静止; C加速下降; D无法确定.
Jim passed the driving test,_____ surprised everybody in the office. A. which B. that C. this D. it
Isn't it very kind __________ your parents to do that for us? for B to C. about D. of
下图表示光合作用与呼吸作用过程中物质变化的关系，下列说法不正确的是 A．1、3和4过程产生的[H]都能与O2结合产生水 B．真核生物都能进行的过程是3
，则
等于 （ ）
B．
C．
D．
