【单选题】Her voice sounds very beautiful and she is a ______ singer . [ ]
【简答题】A. take B. create C. promise D. wonder
【简答题】A. hope B. promise C. suggestion D. belief
【单选题】Unless he ________ to help us, we shall lose the game. A. promises B. will promise C. would promise D. had promised
【单选题】如图所示电路,下列说法正确的是
C.
电流源为电源,发出功率;电压源为负载,吸收功率。
D.
电流源为负载,吸收功率;电压源为电源,发出功率。
【单选题】Jim could not promise anything. Why?
A.
He thought George was guilty.
B.
George's case was too serious.
C.
The other members might not listen to his recommendation.
D.
He did not want to help George.
【单选题】If she doesn't want to go, nothing you can say will her. [ ]
【简答题】A. offer B. sacrifice C. promise D. difference