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【单选题】
以下关于I区的水正确的是?A.
以结合水位主
B.
在-40度情况下会结冰
C.
对固体有显著的增塑作用
D.
能够作为溶剂
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反馈参考答案：
举一反三
【单选题】When there is a fire in a large electric motor, normally the very FIRST step is to _____.
A.
secure the electric supply
B.
ventilate area to remove smoke
C.
start the fire pump and lead out hose
D.
apply foam
【单选题】以下对于成熟胚的培养与培养基的关系叙述正确的是( )
A.
要求较复杂的培养基成分
B.
培养基中需要加入高浓度蔗糖
C.
对培养基的要求简单
D.
培养基中需要加入天然提取物
【单选题】External economies of scale
A.
may be associated with a perfectly competitive industry
B.
cannot be associated with a perfectly competitive industry.
C.
tends to result in one huge monopoly.
D.
tends to result in large profits for each firm.
E.
None of the above
【单选题】Economies of scale:
A.
are the result of a diminishing marginal product.
B.
pertain to the long run only.
C.
refer to the increase in output that results from the increased utilization of a single input.
D.
imply that the average total cost curve will fall continuously as output increases in the short run.
【单选题】某企业为一般纳税企业,增值税率为17%,产品价目表标明:产品的不含税销售价格每件3000元,购买20件以上,可获得5%的商业折扣,购买40件以上,可获得10%的商业折扣。某客户购买该产品35件,规定付款条件2/10,1/20,n/30,购货单位于9天内付款,该销售企业销售实现时,则“应收账款”科目中登记的贷款金额是( )元。
A.
116707.5
B.
99750
C.
97755
D.
105000
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