英国人______于______年成立了人类历史上第一家专门从事旅游活动的组织和经营的旅行社。
参考答案：托马斯·库克 1845
Lucy is twelve. I'm as ___________ as her.[ ]
A. big
B. old
C. older
Modern China is experiencing a completely new period respect for science and creativity has become the guiding principle of society．
A．which
B．where
C．in which
D．that
