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【单选题】
为了保证食品安全,食品卫生质量控制技术和法律不断进步,不属于安全卫生规范的是:
A.
食品良好操作规范
B.
卫生标准操作程序
C.
食品危害分析与关键控制点
D.
ISO9000认证体系
E.
预包装食品营养 标签通则
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举一反三
【单选题】With our country entering an aging society, ______ the retirement age is probably unavoidable.
A.
having delayed
B.
delaying
C.
being delayed
D.
to be delayed
【多选题】导游人员的聚谈艺术——认真倾听体现在( )。
A.
适当沉默
B.
约束自己,集中思想
C.
主动反馈,心领神会
D.
尊重对方,平等交谈
【简答题】在C++中,若需要在程序文件中进行标准输入输出操作,则必须在开始处加入预处理命令include<iostream.h>,若使用到数学库中的函数时,要在源程序的开始处加入预处理命令【 】。
【简答题】下面程序实现输出从“!”开始的91个ACCII字符及码值,要求每行输出7项。请完成程序。 include<iostream.h> void main( ) { char c= '!'; int d , n=1; do { while (n<=7) { d=c; cout<<c<< '=' <<d<<“”; c++ n++; } cout<< '/n' ; 【 】; } while(c<= '!' ...
【判断题】温度与高压杀菌具有协同增效作用
A.
正确
B.
错误
【单选题】____several times,but unfortunately,the boy still couldn’t smooth away the problem on his own.
A.
Having been explained
B.
The problem having been explained
C.
The problem had been explained
D.
Although the problem had been explained
【单选题】Anna was reading a piece of science fiction, completely ______ to the outside world.
A.
having been lost
B.
to be lost
C.
losing
D.
lost
【单选题】(Having eaten) the cherry pie, I (struck) several pits and (nearly) (broke) a tooth.
A.
Having eaten
B.
struck
C.
nearly
D.
broke
【单选题】. _______from the operation, the patient was advised to stay in hospital for another two weeks.
A.
Having not fully recovered
B.
Being not fully recovered
C.
Not having fully recovered
D.
Not fully recovering
【单选题】Academic publishers try to yield higher profits by the following means EXCEPT______.
A.
having students buy new editions
B.
publishing a textbook series
C.
discouraging the use of used textbooks
D.
bullying small new publishers of textbooks
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