单项选择题

The best title for this passage is ______.

A．About Wastes
B．Hazardous Wastes
C．Results of Hazardous Wastes
D．Effects of Hazardous Wastes
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单项选择题
In planning an exercise, you’d better think, the following factors except ______.
A．age
B．one's personal objectives
C．existing health condition
D．sex
问答题
Outline:1. It is the symbol of New Economy.2. In comparison with traditional economy.3. Upon the arrival of the web economy, we need to do.
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