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计算： （1） lg2+lg5-lg8 lg50-lg40 + log 2 2 2 （2）lg5（lg8+lg1000）+（lg 2 3 ） 2 +lg 1 6 +lg0.06．
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【简答题】滚动轴承内圈通常与 一起旋转。
【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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