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【单选题】
某垃圾场，一名男性垃圾焚烧工，在焚烧含大量塑料的垃圾时，突然感到头痛、头晕、发热、呼吸加快等不适而被送医院就诊，可诊断为A.
氰化物中毒
B.
氮氧化物中毒
C.
聚合物烟雾热
D.
一氧化碳中毒
E.
中暑
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下与库函数strcpy(char *p1,char *p2)功能不相等的程序段是:
A.
strcpy1(char *p1,char *p2) { while ((*p1++=*p2++)!='\0') ; }
B.
strcpy2(char *p1,char *p2) { while ((*p1=*p2)!='\0') { p1++; p2++ } }
C.
strcpy3(char *p1,char *p2) { while (*p1++=*p2++) ; }
D.
strcpy4(char *p1,char *p2) { while (*p2) *p1++=*p2++ ; }
【简答题】IS曲线(IS Curve)
【单选题】At which point of the PPF curve is efficient?
A.
inside the curve
B.
on the curve
C.
outside the curve
D.
behind the curve
【简答题】bike-sharing is convenient and idon ' t need to buy a bike for_ A.I B.my C. mine D.myself
【单选题】The demand curve of a monopolist is:
A.
is identical to the marginal cost curve.
B.
downward sloping and above the marginal revenue curve.
C.
downward sloping and below the marginal revenue curve.
D.
kinked because of recognized interdependence with other firms.
【单选题】If you want to use a sharing bike, you must first _________.
A.
download an APP and pay for the trip
B.
have a smart phone and download an APP
C.
unlock the bike and download an APP
D.
find a nearest bike and borrow it from anyone
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