单项选择题

When did the world's population reach six billion

A．October 10, 1999.
B．October 11, 1999.
C．November 10, 1999.
D．November 11, 1999.
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单项选择题
People of the orthodox view placed blame for starting the Cold War on the Soviet Union because______.
A．they didn't want America to take sole responsibility
B．they supported America in its foreign policy in Vietnam
C．they believed that America was always right in its foreign policy
D．they could find peace of mind in such a belief
单项选择题
In the last paragraph, the author seems to imply that______.
A．the Soviet Union should take sole responsibility
B．the United States should take sole responsibility
C．the Cold War wasn’t started on one side only
D．neither side started the Cold War
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