A:寒伧(chen) 滑稽(jì) 抽噎(yē) 面面相觑(qū)
B:荫庇(yìn) 怪癖(pì) 慰藉(jiè) 胜券在握(juàn)
C:碛口(qì) 账簿(bù) 瘦削(xuē) 诲人不倦(huì)
D:租赁(lìng) 模样(mú) 瘪嘴(biē) 爱憎分明(zèng)
临床上抢救危重病人时,常常要给病人输生理盐水.下列有关输入生理盐水的理由正确是的( )
——I can hardly believe my eyes. Is that you, Lucy?——Yes. It has been almost 20 years______ we were together.
(2015•巴彦淖尔)如图所示,电源电压为6V且保持不变,滑动变阻器的最大阻值为20Ω,定值电阻R0为5Ω.闭合开关后,移动滑片,发现能使电流表(“0~0.6A”或“0~3A”)和电压表(“0~3V”或“0~15V”)的指针同时达到满刻度线,则R0的电功率与电流的关系图象可能是( )