【单选题】
如图2-3所示的二端电路中与理想电压源并联的电阻R()
【单选题】
Hedidn’t________andsohefailedtheexamination.
【单选题】
CharlesBabbageisgenerallyconsidered______thefirstcomputers.
【单选题】
Someofthestudentsinthisclassseem______tohelpthosewhohavedifficultiesintheirstudies.
【单选题】
Youhavecaughtabadcoldsoyou_______stayinbednow.
【单选题】
Theself-importantmanagerdidn’tseemto____muchimportancetomyadvice.
【单选题】
IknowJonathanquitewellandneverdoubt hecandoagoodjobofit.
【单选题】
MikeisbetterthanPeter_______________swimming.
【单选题】
Chinahasemphasizedonraisingpersonalincomeandconsumptionrecently.
【单选题】
Theyhadso______incommonthattheysoonbecamegoodfriends