从()，我们可以看到审美活动在原始符号活动起源中的根基。

In its dealings with U.S. automakers, the Obama administration hasA．been hard on shareholders and auto industry labor force.B．helped struggling automakers to right themselves with a short-term cash-infusion.C．narrowly avoided ignorance of basic principles of fairness and economic realities.D．successfully saved the automaker-giants while striving for political goals. 点击查看答案

()年，在美国举行的环太平洋地区化学工作者研究和开发研讨会上，人们反复使用“新化学”、“新化学时代”等词来描述已经演变了的化学工业领域。

A.1990
B.1989
C.1988
D.1987

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