The seller would sell the shirt for ten yuan, but the customer ________ eight yuan. A.sold B.offered C.charged D.asked
如图,F是交流电源,R是可变电阻,理想变压器原副线圈的匝数比是1∶4. (1)若F是输出电压稳定在220V的交流电源,加在可变电阻R上的电压多大?为保证
学会自己作出选择,我们就能享受到成功的快乐。 ( )
-Surely you can turn to David for help. -_______ He is the last one you can rely on. A.Get out of it! B
下列原子中的未成对电子数为1的是(单独占据1个原子轨道的电子称为未成对电子)( ) A.7N B.9F C.8O D.16S
Most people in speak . A.Japanese,Japan B.Japan,Japanese C.Japanese,Japanese
据有关资料显示,2016年通过国家科技支撑计划,某市获得国家级科技专项重点项目资金5533万元,将5533万用科学计数法可表示为( ) A. 5.533×108