“Catch-22” is the masterpiece of______
A.Saul Bellow
B.Joseph Heller
C.Dreiser
D.Fitzgerald
A.Saul Bellow
B.Joseph Heller
C.Dreiser
D.Fitzgerald
______is the author of Catch-22, a masterpiece of black humor and irony.
A.John Barth
B.Kurt Vonnegut
C.Joseph Heller
D.James Jones
Catch-22 is written by
A.Joseph Heller.
B.John Barth.
C.Arthur Miller.
D.John Hawkes.
已知i1=7.5sin(ωt+30°)mA, i2=5sin(ωt+90°)mA,求i1+i2并画出相量图。
To join ELTECS-Chi-L, one could ______.
A.write a letter to Ma Zhigang
B.telephone Ma Zhigang
C.send an e-mail to Ma Zhigang
D.all of the above means
股市中常说的黄金交叉是指()。
A.现在价位站稳在长期与短期MA之上,短期MA又向上突破长期MA
B.现在价位站稳在长期与短期MA之上,长期MA又向上突破短期MA
C.现在价位位于长期与短期MA之下,短期MA又向上突破长期MA
D.现在价位位于长期与短期MA之下,长期MA又向上突破短期MA
设已知两个正弦电流分别为
i1=sin(100πt+30°)mA, i2=2sin(100πt-45°)mA
求i1+i2和i1-i2。
A.By asking questions.
B.By echoing Mr. Ma's comments.
C.By commenting on Mr. Ma's responses.
D.By keeping silent and being a good listener.