皮皮学，免费搜题
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【简答题】
患者，男，56岁，有慢性肝炎史，食管钡餐示：食管下多个结节样充盈缺损，边缘不整，管壁蠕动消失。该病例最可能的诊断是A、反流性食管炎 B、食管静脉曲张 C、食管癌 D、多发食管平滑肌瘤 E、食管异物 上述病变主要应和下述哪种疾病鉴别A、反流性食管炎 B、食管静脉曲张 C、食管癌 D、多发食管平滑肌瘤 E、食管异物
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皮皮学刷刷变学霸
举一反三
【单选题】下面能正确进行字符串赋值操作的是
A.
char *s=“ABCDE”;
B.
char s[5]={“ABCDE”};
C.
char s[5]={'A', 'B', 'C', 'D', 'E'};
D.
char *s,scanf(“%s”,s);
【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?
A.
revenue tariff
B.
protectionist tariff
C.
import buy-back
D.
export rebate
E.
subsidy
【单选题】Average cost regulation of a natural monopoly:
A.
generates economic losses for the seller.
B.
necessitates a subsidy payment to the firm.
C.
creates incentives that tend to shift ATC curves in an upward direction.
D.
imposes a price that is less than marginal cost.
【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?
A.
subsidy
B.
revenue tariff
C.
protectionist tariff
【单选题】下面能 正确 进行字符串赋值操作的是
A.
char s[5]={'A', 'B', 'C', 'D', 'E'};
B.
char *s=“ABCDE”;
C.
char *s,scanf(“%s”,s);
D.
char s[5]={“ABCDE”};
【单选题】Marginal cost regulation of a natural monopoly:
A.
generates economic losses for the seller.
B.
necessitates a subsidy payment to the firm.
C.
imposes a price that is less than average total cost.
D.
is characterized by all of the above.
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