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【单选题】
哪项不属于职业病的职业史: ( )A.
所在什么车间
B.
从事什么工种和工龄
C.
接触什么有害因素
D.
受教育程度
E.
接触有害物质时间
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反馈参考答案：
举一反三
【简答题】the quality of being liked or supported by a lot of peopleA. popularity B．population C．particular D．peculiar
【单选题】33The bloody ____ in this war film are not suitable for young viewers.
A.
imagination
B.
images
C.
appearance
D.
origins
【单选题】The bloody ____ in this war film are not suitable for young viewers.
A.
damages
B.
images
C.
imagines
D.
emerges
【单选题】What’s the result of the following codes? #include main() { char ch; int k; ch='a'; k=12; printf("%c,%d",ch,k); }
A.
char,int
B.
%c,%d
C.
ch,k
D.
a,12
【简答题】 乙醛(A)蒸气的热分解反应为：CH 3 CHO(g)→CH 4 (g)+CO(g)，518℃下在一定容积中的压力变化有如表11-27所示的两组数据。 表11-27 纯乙醛的出压p A,0 /kPa 100s后系统总压/kPa 53.329 66.661 26.6 30.531 求：(1)反应级数，速率常数；(2)若活化能为190.4kJ·mol -1 ，问在什么温度下其速率常数为518℃时的...
【单选题】What is NOT a characteristic of cardinal marks?
A.
Yellow and black bands
B.
White lights
C.
Square or triangular topmarks
D.
Directional orientation to a hazard
【单选题】What is the passage mainly about?
A.
The positive role that urbanism plays in modern life.
B.
Advantages of living in big cities as compared with living in small towns.
C.
Similarities in the interpersonal relationships between urbanites and small town dwellers.
D.
The strong feeling of' alienation of city inhabitants.
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