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【单选题】
患者,女性,58岁,肾功能不全3年,近日因受凉出现病清加重.血U酐390mmol/L,WBC11x109/L,血神3.8mmolL.呼吸深慢,pH7.30.患者出现的酸破平衡素M为A.
混合型酸中毒
B.
代谢性碱中毒
C.
代谢性酸中毒
D.
呼吸性酸中毒
E.
呼吸性碱中毒
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举一反三
【单选题】Which of the following is true of a voluntary export restraint (VER)?
A.
a. A voluntary export restraint ensures that foreign exporting firms are unable to exercise monopoly power.
B.
b. A voluntary export restraint usually requires that the foreign exporting firms act like a cartel, restricting sales and raising prices.
C.
c. A voluntary export restraint generates more revenue for the government than a tariff or quota.
D.
d. Voluntary export restraints have only been used by the poor and developing nations to protect their domestic industries.
【简答题】“Voluntary”Export Quotas
【简答题】voluntary export restraints