下载APP
参考答案：
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】如果红色豌豆花对白色豌豆花是显性，那么两株开白花的豌豆杂交，后代（）
A.
一定都开红花
B.
一定都开白花
C.
可能都开红花，也可能都开白花
D.
红花和白花各50％
E.
红花占75％，白花25％