单项选择题 12.06÷3=（）。

单项选择题 导体材料一般为（）

单项选择题 Julien and Steve seem to suggest that [A]eBay should further cooperate with Google to survive. [B] eBay should form. an alliance with Yahoo! or Microsoft. [C] Google is making smaller revenues than eBay. [D] Google’s core business has already shrank by 3%.$amp;;$br>