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【单选题】
氯化四甲基铵属于( )类化合物。A.
偶氮化合物
B.
重氮化合物
C.
季铵碱
D.
季铵盐
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【单选题】I can see many __________in the garden. A. flowers B. a flower C. floweres D. a flowers
A.
flowers
B.
a flower
C.
floweres
D.
a flowers
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【多选题】采用评标价法评标时，应当遵循的原则包括（）。
A.
已评标价最低的标书为最优。
B.
以投标报价最低的标书为最优。
C.
技术建议带来的时机经济效益，按预定的方法折算后，增加投标价。
D.
中标后按投标价格签订合同价。
E.
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【多选题】采用评标价法评标时,应当遵循的原则包括( )
A.
以评标价最低的标书为最优
B.
以投标报价最低的标书为最优
C.
技术建议带来的实际经济效益,按预定的方法折算后,增加投标价
D.
中标后按投标价格签订合同价
E.
中标后按评标价格签订合同价
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