【单选题】This weekend's Independence Day festivities in Washington, DC, when the National Mall is jammed for the traditional concert and fireworks extravaganza, is a boom time for flag dealers, refreshment sta...
A.
High-ranking officials in US corporations.
B.
Top-level US government officials like a defense secretary.
【单选题】When Mad Cow disease was discovered on a Washington ranch, Japan issued a temporary ban on beef exported from the U.S. This incident illustrates how a __________ environment can affect domestic indust...