在总产量、平均产量和边际产量的变化过程中，（）首先发生。
A. 边际产量下降
B. 平均产量下降
C. 总产量下降
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INSINUATE: INTRODUCE ::
A. assert : state
B. infiltrate : enter
C. foray : encroach
D. scrutinize : catalogue
E. communicate : promulgate
PATINA:
A. inherent feature
B. insignificant scrutiny
C. coincidental happening
D. new achievement
E. unfinished task
According to the passage, film industry executives have been reluctant to support African-American cinema for which of the following reasons
A. Executives believe that African-American audiences are often repelled by the presentation of ideological issues in film.
B. Executives conclude that African-American cinema is not likely to attract audiences overseas.
C. Executives are of the opinion that African-American actors who emerge as stars are reluctant for the executives to associate them with "black" films.
D. Executives are under the impression that there are many strong African- American producers, but few willing to work with mainstream studios.
Executives are reluctant to support films which contain too many negative stereotypes about African-Americans.
甲于2005年2月l日购买一商铺，2007年5月将其转卖，在办理相关交易、过户手续过程中，甲不需缴纳（）。
A. 土地增值税
B. 营业税
C. 印花税
D. 契税
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