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【单选题】
硝酸镁加热器加热不良能导致（）。
A.
塔顶温度低
B.
塔负压波动
C.
塔顶温度高
D.
稀镁杂质多
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【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
they are approved by many experts
B.
C. they won’t cause diseases
C.
B. they taste better than standard foods
D.
they are free from pesticides
【单选题】由于雇主不能按规定的时间向承包商提供进入和占用现场的权利，导致承包商受到损失，则承包商可以要求( )。
A.
工期补偿，但不含费用
B.
额外费用的补偿
C.
工期、费用和利润的补偿
D.
相关费用补偿
【单选题】下列哪一项不是静脉输血导致过敏反应的原因
A.
患者是过敏性体质
B.
输入血中含有致敏物质
C.
供血者有过敏史
D.
快速输入低温库存血
E.
供血者在献血前服用过可致敏的食物或药物
相关题目：
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
they are approved by many experts
B.
C. they won’t cause diseases
C.
B. they taste better than standard foods
D.
they are free from pesticides
【单选题】由于雇主不能按规定的时间向承包商提供进入和占用现场的权利，导致承包商受到损失，则承包商可以要求( )。
A.
工期补偿，但不含费用
B.
额外费用的补偿
C.
工期、费用和利润的补偿
D.
相关费用补偿
【单选题】下列哪一项不是静脉输血导致过敏反应的原因
A.
患者是过敏性体质
B.
输入血中含有致敏物质
C.
供血者有过敏史
D.
快速输入低温库存血
E.
供血者在献血前服用过可致敏的食物或药物
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