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【单选题】
肿瘤化疗病人出现下列哪项反应就必须停药（ ）。【历年考试真题】A.
呕吐频繁
B.
白细胞计数3×109/L（3000/mm3）
C.
严重秃发
D.
血小板计数10×109/L（10万/mm3）
E.
腹泻
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【简答题】In the 1970s, OPEC caused a dramatic increase in the price of oil. What pred it from maintaining this high price through the 1980s?
【简答题】OPEC to Increase Production VIENNA (Reuters) OPEC oil exporters agreed to raise output limits on Tuesday but second largest producer Iran, fearing a slump in oil prices, opted out of the deal. The Org...
【单选题】OPEC successfully raised the world price of oil in the 1970s and early 1980s, primarily due to
A.
an inelastic demand for oil and a reduction in the amount of oil supplied.
B.
a reduction in the amount of oil supplied and a world-wide oil embargo.
C.
a world-wide oil embargo and an elastic demand for oil.
D.
a reduction in the amount of oil supplied and an elastic demand for oil.
【简答题】OPEC
【单选题】Which of the following does NOT describe OPEC?
A.
OPEC is the Organization of Petroleum Exporting Countries.
B.
OPEC is an international cartel made up of 12 oil-producing countries and two unofficial members.
C.
OPEC is the cartel that was responsible for the large increases in crude oil prices in the 1970s.
D.
OPEC is the name of the free-trade zone encompassing the Middle East and other oil-producing nations.
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