单项选择题

At present, John R. Bolton is ______.

A．US ambassador to the UN
B．the head of Central Intelligence Agency
C．the arms control chief of the State Department
D．a member of Senate Foreign Relation
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单项选择题
According to the news item, ______.
A．both the dollar and the euro were strong
B．both the dollar and the euro were weak
C．the dollar was strong while the euro was weak
D．the dollar was weak while the euro was strong
填空题
highest-risk
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