两者
Neither Jane nor Ted _____ going to meet Professor Jones next Friday because both of them will be busy with their classes then.
Neither Jane nor Ted \_\_\_\__ going to meet Professor Jones next Friday because both of them will be busy with their classes then.
“在观察事物之际,机遇偏爱有准备的头脑”,从哲学上讲,这句话强调( )。
“在观察事物之际,机遇偏爱有准备的头脑”,从哲学上讲,这句话强调( )。
如图所示电路中,电源的电动势为ε,内电阻不计,R是一固定电阻,R′是一变阻器,C是变阻器上的滑片,当滑片C从变阻器的a端滑到b端的过程中,R两端的电压( ).
如图所示电路中,电源的电动势为ε,内电阻不计,R是一固定电阻,R′是一变阻器,C是变阻器上的滑片,当滑片C从变阻器的a端滑到b端的过程中,R两端的电压( ).