灯具,是室内拍摄的主要工具,如果有条件的话应具备三只以上的照明灯,目的是为了防止产品拍摄中出现抖动导致模糊。
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Choose the best answerThe author was required to submit an_______of about 200 words together with his research paper.
A. edition
B. editorial
C. article
D. abstract
Mobile telecommunications is expected to double in Shanghai this year as result of a contract signed between the two companies.
A. capacity
B. potential
C. possession
D. impact
. Crime is increasing worldwide, and there is every reason to believe the into the next decade
A. emergency
B. trend
C. pace
D. schedule
For a long time, the college campus has been a place to ________________.
A. provide education
B. transform the new technology
C. produce most advanced new technology
D. use digital equipment