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【多选题】
语颤增强常见于（）A.
肺炎
B.
肺结核
C.
肺梗死
D.
肺气肿
E.
气胸
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反馈参考答案：
举一反三
【简答题】建筑空间组合形式有哪些?
【简答题】园林建筑空间组合形式有哪些?
【单选题】The existence of external economies of scale
A.
may be associated with a perfectly competitive industry.
B.
cannot be associated with a perfectly competitive industry.
C.
tends to result in one huge monopoly.
D.
tends to result in large profits for each firm.
E.
focuses more on individual firms than the industry as a whole.
【多选题】停留服务期间。全陪应做好协助地陪的各项工作,保障旅游者的安全包括一下哪些方面()
A.
汇报旅游团情况，配合地陪做好工作
B.
维护保障游客的安全
C.
检查各站的服务质量
D.
增加游客的购物次数
【单选题】In the presence of external economies of scale, trade
A.
may or may not improve welfare in both countries.
B.
will unambiguously improves welfare in both countries.
C.
will unambiguously worsens welfare in both countries.
D.
will unambiguously worsen welfare in the exporting country and improve welfare in the importing country.
E.
will unambiguously improve welfare in the exporting country and worsen welfare in the importing country.
【单选题】In the presence of external economies of scale, trade
A.
will unambiguously worsens welfare in both countries.
B.
will unambiguously worsen welfare in the exporting country and improve welfare in the importing country.
C.
will unambiguously improves welfare in both countries.
D.
will unambiguously improve welfare in the exporting country and worsen welfare in the importing country.
E.
may or may not improve welfare in both countries
【简答题】36 的8位真值 (1) ,原码是 (2) ,反码是 (3) ,补码是 (4)
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