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【单选题】
( )控制渲染图片亮暗,数值越大,表现感光系数越大,图片也就越暗A.
胶片规格
B.
焦距
C.
快门速度
D.
胶片速度
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举一反三
【单选题】What does the passage mainly talk about?
A.
How American goods axe produced.
B.
How American consumers buy their goods.
C.
How American economic system works.
D.
How American businessmen make their profits.
【单选题】It is reported that Latin American customers talk ______ on the phone as people in North America.
A.
two to four times as long
B.
two times four as long
C.
two to four time as long
D.
two to four times longer
【单选题】If an American is invited to talk something about entertainment industry, he or she might not mention ______.
A.
Broadway
B.
Oscar
C.
Grammy
D.
West Point
【单选题】If an American is invited to talk something about entertainment industry, be or she might not mention______.
A.
Broadway
B.
Oscar
C.
Grammy
D.
West Point
【单选题】There will be a talk ____ American history this afternoon. [ ]
A.
for
B.
on
C.
in
D.
with
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