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【单选题】
有确定性诊断意义的表现是A.
腹膜刺激征
B.
肠鸣音减弱
C.
腹腔穿刺抽出不凝固血液
D.
腹部剧痛
E.
头晕心慌
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反馈参考答案：
举一反三
【单选题】Refer to Figure 9-6. Before the tariff is imposed, this country
A.
imports 200 carnations.
B.
imports 400 carnations.
C.
exports 200 carnations.
D.
exports 400 carnations.
【单选题】Refer to Figure 9-6. The amount of deadweight loss caused by the tariff equals
A.
$100.
B.
$200.
C.
$400.
D.
$500.
【单选题】Refer to Figure 9-6. The amount of revenue collected by the government from the tariff is
A.
$200.
B.
$400.
C.
$500.
D.
$600.
【单选题】Refer to Figure 9-6. When the tariff is imposed, domestic consumers
A.
lose by $500.
B.
lose by $900.
C.
gain by $500.
D.
gain by $900.
【单选题】Refer to Figure 9-6. When a tariff is imposed in the market, domestic producers
A.
gain by $100.
B.
gain by $200.
C.
gain by $300.
D.
lose by $100.
【单选题】--May I put my bicycle here? -- Yes. But you should always keep it ________, in case it is stolen.
A.
in relief
B.
in sight
C.
in turn
D.
in return
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