有学者说:鸦片战争后,东来的资本主义列强,既是“强盗”也是“先生”。其中“先生”的主要含义是[ ]
A.输入工业商品
B.瓦解自然经济
C.输入西方文化
D.开放通商口岸
答案:C
用所给单词的适当形式填空。
1. I don't like ______ (he) room. It's too small.
2. I need a pair of black ______ (sock) to go with my new shoes.
3. We hope ______ (arrive) at the airport around two o'clock.
4. This dictionary is not ______ (I). It's Jane's.
5. You are so _______ (luck) to have the chance to visit Michael Jordan.
三水铝石的分子式为()。
A、Al(OH)3
B、Al2O3•3H2O
C、γ—AlOOH
D、γ—Al2O3•H2O