根据选用变量多少不同分类，财务危机预测模型分为()和()。
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在一定时期内每隔()的时间(如一年)发生()的现金流量称为年金。
Which of the following is true according to the passage？
A. If you pay enough fee, you can become a U. S. citizen.
B. Only one member can apply for the U. S. citizenship in one family.
C. It is possible for one to vote without the U. S. citizenship.
D. The revisions to the U. S. citizen test may cause further decline of application for citizenship.
()是在法律上和组织上将一个公司划分为两个或两个以上独立的实体。
Whats the reason for the decrease of the number of illegal immigrants？
A. The political and social disorder in the U. S.
B. American"s struggling economy and the increased enforcement of immigration laws.
C. Their unwillingness to do low-skilled jobs.
D. The increased return migration.
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