ⅰ.品句填词
a)根据句意及汉语提示，写出所缺单词。
1．the conference ____________(探索，探究) the possibility of closer trade links，but no agreement was reached.
答案：explored
2．what role did new ____________(科技) play in the spread of mass culture at the turn of the 20th century?
答案：technology
