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【多选题】
关于石膏凝固速度的说法错误的是
A.
调拌时间越长,速度越快,凝固速度加快
B.
水/粉比高,结晶核凝聚生长发生早,凝固时间短
C.
添加剂能够影响凝固时间
D.
30-50°C时凝固速度随水温升高而加快
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参考答案:
举一反三
【单选题】The author refers to the excessive intake by Americans of alcohol and tobacco and drug use in order to ______.
A.
show that some health problems cannot be attacked by better medical care
B.
demonstrate that use of tobacco and intoxicants is detrimental to health
C.
cite examples of individual behavior. that have adverse consequences for health status
D.
illustrate ways in which excessive affluence may contribute to a poor health status
【单选题】Alcohol does the following harm EXCEPT__________ .
A.
resulting in liver damage
B.
causing traffic accidents
C.
lowering blood pressure
D.
increasing the risk of breast cancer
【简答题】Excessive intake of alcohol is likely to m______ heart disease.
【单选题】当折现率与内含报酬率相等时( )。
A.
净现值>0
B.
净现值=0
C.
净现值<0
D.
净现值不确定
【简答题】解释法制与法治的概念,并结合食品领域简述二者之间的相互关系。
【单选题】The author refers to the excessive intake of alcohol and tobacco and drug use in order to ______.
A.
show that some heath problems cannot be attacked by better medical care.
B.
demonstrate that use of tobacco and intoxicants is detrimental to health.
C.
cite examples of individual behavior. that have adverse consequences for health status.
D.
illustrate ways in which affluence may contribute to poor health status.
【单选题】Excessive alcohol can increase your blood glucose to dangerous levels.
A.
血压
B.
血脂
C.
血糖
D.
血小板
【单选题】The author refers to excessive intake of alcohol and tobacco and drug use in order to ______.
A.
show that some health problems cannot be attacked by better medical care
B.
demonstrate that use of tobacco and intoxicants is detrimental care
C.
cite examples of individual behavior. which have adverse consequences for health status
D.
illustrate ways in which affluence may contribute to poor health status
【单选题】Prolonged and excessive use of alcohol can seriously undermine an individual's health. Physical deterioration occurs. Large quantities of alcohol can directly damage body tissue and indirectly cause m...
A.
sensory words
B.
convincing arguments
C.
scientific facts
D.
figures of speech
【判断题】信息化组织的特征是环环相扣、层层尽责、决策贯通。( )
A.
正确
B.
错误
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