Which of the following is not true of Incoterms？ Incoterms______.
A. were drafted by the International Chamber of Commerce
B. provide a set of standardized terms which mean exactly the same to both buyer and seller
C. are incorporated into national or international law
D. can be made binding on both buyer and seller, provided the sales contract specifies that a particular Incoterm will apply
水泵抽水系统的吸水管路如图所示，d1=250mm，l1=20m，h吸=3m；压水管路d2=200mm，l2=260m，h压=17m；沿程阻力系数λ均为0.03，局部阻力系数ξ进口=3，ξ弯头头=0.2，ξ阀门=0.5，水泵扬程H=23.54m，流量Q=()。
A. 4.75L/s
B. 9.50L/s
C. 40L/s
D. 95L/s
下列对社会公益基金认识中,不正确的是()。
A. 将收益用于指定的社会公益事业的基金
B. 福利基金、科技发展基金、企业年金等都属于社会公益基金
C. 我国的各种社会公益基金可用于证券投资,以求保值增值
D. 社会公益基金属于基金性质的机构投资者
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