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【单选题】
单反相机的机身按画幅分为哪些类别?A.
全画幅和半画幅
B.
全画幅和小画幅
C.
小画幅和大画幅
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举一反三
【简答题】请计算,20S和1/100S两档快门,光圈不变的情况下,通光量相差几倍?
【简答题】A The International Voluntary Service runs a number of Youth Exchanges throughout the year.Youth Exchanges give small groups of 45 young people the opportunity to take part in volunteering trips abro...
【单选题】What do you think _____ these young people so excited? [ ]
A.
making
B.
to make
C.
makes
D.
that makes
【简答题】The word “sharp” can be _1_ to describe many different things in your home, classroom, and places of work. In this chapter, the writer _2_sharp pencils, meaning pencils with a very fine _3_.The writer...
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