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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology
【单选题】妇女在排卵前后基础体温是()。
A.
排卵前后体温变化不明显
B.
排卵前后体温均升高
C.
排卵前后体温均降低
D.
排卵前较低，排卵日升高
E.
排卵前较低，排卵日降到最低