问题
选择题
—Do you know ________ this time yesterday?
—Sorry, I don't know. [ ]
A. what she is doing
B. what was she doing
C. what she was doing
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Do you know ________ this time yesterday?
—Sorry, I don't know. [ ]
A. what she is doing
B. what was she doing
C. what she was doing
答案：C
学习历史的又一个好方法，是获取材料信息，以及从获取的历史信息中得到人文体验。
材料一：实际上，严格的全球意义上的世界历史直到哥伦布、麦哲伦进行远航探索才开始。在这以前，只有各民族相对平行的历史，而没有一部统一的人类历史。——（美）斯塔夫里阿诺斯《全球通史》
材料二：
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| 图一：美国麦道飞机国外零件供应地示意图 |  |
| 图二：世界贸易组织多哈会议 |
请回答：