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【单选题】
People who wish to adopt abroad must follow the procedures and requirements of INS EXCEPT______.A.
before an international adoption can carry out, the results of a home study and extensive documentation must be submitted to both the INS and the courts in the child's country of origin.
B.
required documentation usually includes birth certificates, marriage certificates, letters of unemployment, medical letters, and personal references.
C.
the legal process in the child's country of origin results in either a full and final adoption or a guardianship, in which the prospective parent is granted custody of the child until the adoption is completed finally.
D.
if a full and final adoption has been approved in the child's country of origin and the INS has permitted the child to enter the United States, parents can usually get U.S. birth certificates and citizenship papers with no necessary of readopting the chil
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【简答题】一艘净吨为50000吨,载重吨65000吨巴拿马型干散货船从新加坡到大连港码头卸货,0800开始卸货,第二天1600卸货完毕后等待一名 船员登船,2135船员上船,船舶驶出大连港。请计算该船的停泊费。
【简答题】一艘净吨为50000吨,载重吨65000吨的巴拿马型干散货船从新加坡到大连港码头卸货,0800开始卸货,第二天1600卸货完毕后等待一名船员登船,2135船员上船,船舶驶出大连港。请计算该船的停泊费。
【多选题】以下关于减水剂的说法正确的是（ ）。
A.
木钙减水剂对混凝土有促凝作用，可用于用于蒸养混凝土及预应力混凝土
B.
常用的减水剂均属表面活性剂，其分子是由亲水基团和憎水基团两部分组成
C.
减水剂导致絮状结构解体，释放出游离水，从而有效地增大了混凝土拌合物的流动性
D.
由于表面活性剂的作用还会使水泥颗粒表面形成一层稳定的溶剂化水膜， 改善了拌合物的和易性
E.
在混凝土中加入减水剂后，可增大混凝土的流动性。
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