【简答题】电源电动势的方向由电源的 极经电源内部到 极的方向。
【单选题】Which of the following statements of Premier Zhou Enlai is NOT correct?
A.
He was a skilled and able diplomat.
B.
He helped formulate policies regarding the bitter disputes with the U.S., t;he Soviet Union, India and Vietnam.
C.
He helped orchestrate Richard Nixon's 1970 visit to China.
D.
He advocated peaceful coexistence with the West after the stalemated Korean War.
【简答题】柴油在圆形直管内作强制滞流流动,给热系数可用下式计算: 。若流量和物性不变,将管内径减半后仍为滞流,则管内对流传热系数变为原来的__________倍。
【单选题】Premier Zhou Enlai is ______.
【单选题】In _______ Premier Zhou Enlai passed away in _________.
A.
the seventies, the seventies
B.
his seventies, his seventies
C.
his seventies, the seventies
D.
the seventies, his seventies
【单选题】Recently a film was made _________ Premier Zhou Enlai.
【单选题】On the day of his funeral, the whole nation _____ the death of our beloved Premier Zhou Enlai.