¡¡¡¡1. Opening with tributes to jazz-age divas like Bessie Smith and closing with Koko Taylor's electrified gravel-and-thunder songs£¬the program will trace the blue'vigorous matriarchal line over more than 50 years.
¡¡¡¡£¨A£© the program will trace
¡¡¡¡£¨B£© the program shall trace
¡¡¡¡£¨C£© there will be a program tracing
¡¡¡¡£¨D£© it is a program that traces
¡¡¡¡£¨E£© it will be a program tracing
¡¡¡¡2. Spanning more than fifty years£¬ Friedrich Muller began his career in an unpromising apprenticeship as a Sanskrit scholar and culminated in virtually every honor that European governments and learned societies could bestow.
¡¡¡¡£¨A£© Muller began his career in an unpromising apprenticeship as
¡¡¡¡£¨B£© Mullers career began in an unpromising apprenticeship as
¡¡¡¡£¨C£© Mullers career began with the unpromising apprenticeship of being
¡¡¡¡£¨D£© Muller had begun his career with the unpromising apprenticeship of being
¡¡¡¡£¨E£© the career of Muller has begun with an unpromising apprenticeship of
¡¡¡¡3. By installing special electric pumps£¬ farmers' houses could be heated by the warmth from cows' milk£¬ according to one agricultural engineer.
¡¡¡¡£¨A£© farmers' houses could be heated by the warmth from cows' milk£¬ according to one agricultural engineer.
¡¡¡¡£¨B£© the warmth from cows' milk could be used by farmers to heat their houses£¬ according to one agricultural engineer
¡¡¡¡£¨C£© one agricultural engineer reports that farmers could use the warmth from cows' milk to heat their houses
¡¡¡¡£¨D£© farmers£¬ according to one agricultural engineer£¬ could use the warmth from cows' milk to heat their houses
¡¡¡¡£¨E£© one agricultural engineer reports that farmers' houses could be heated by the warmth from cows' milk
¡¡¡¡4. Eaten in the Mediterranean countries£¬northern Europeans viewed the tomato with suspicion£¬for they assumed it had poisonous properties because of its relationship to deadly nightshade.
¡¡¡¡£¨A£© northern Europeans viewed the tomato with suspicion£¬for they
¡¡¡¡£¨B£© northern Europeans were suspicious to northern Europeans£¬and they
¡¡¡¡£¨C£© the tomato was viewed with suspicion by northern Europeans£¬who
¡¡¡¡£¨D£© the tomato was suspicious to northern Europeans£¬and it was
¡¡¡¡£¨E£© the tomato was viewed with suspicion by northern Europeans£¬it being
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