587.Our energy bills have been increasing steadily,________ these costs,our telephone costs have doubled over the past six months.
A.Moreover
B.In addition to
C.As a result of
D.Contributing to
588.Because of the financial crisis,quite a few companies are ______ now.
A.in the black
B.in the red
C.as white as a sheet
D.as dark as night
587.答案是B;moreover=in addition,而且，其本身为副词，后面不可接宾语，而in addition to除了，后面必须接宾语；as a result of由于。
588.答案是B;in the black盈利；in the red亏空；as white as a sheet雪白；as dark as night漆黑。
