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【单选题】
（ ）是指企业与客户进行商业交往中用于控制客户信用风险的对策，也是企业对外开展信用交易的依据和操作指南。A.
信用期限
B.
信用额度
C.
信用等级
D.
信用政策
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【简答题】试解读如下程序并说明其功能。 RL A MOV R0,A RL A ADD A,R0
【单选题】What is the worst problem in a meeting?
A.
There is no 'going forward' plan.
B.
There is no one in charge.
C.
There are too many attendees.
D.
There are too many rules.
【单选题】According to the article, what is the worst problem facing people living in cities?
A.
Crime.
B.
Finding somewhere to live.
C.
Social isolation.
D.
Drags and alcoholism.
【多选题】关于铸铁的性能下列说法中正确的有 。
A.
铸铁具有良好的铸造性能，便于铸造生产形状复杂的机械零部件
B.
具有成本低，减摩性、减振性和切削加工性好等优点
C.
铸铁的强度、塑性和韧性很好，焊接性好
D.
铸铁的焊接多为铸造缺陷的补焊、焊件的修复和零部件的生产
【单选题】According to the news, what is the worst damage that object falling in the sky could have caused?
A.
The destruction of a house.
B.
The destruction of cities.
C.
The destruction of species of animals.
D.
The destruction of expensive satellites.
【单选题】According to the article， what is the wOrst problem facing people living in cities? 查看材料
A.
Crime．
B.
Finding somewhere to live．
C.
Social isolation．
D.
Drugs and alcoholism．
【简答题】What were the worst affected areas in terms of death toll according to this passage?
【简答题】A．Finally B．What is more C．Worst of all D．First of all
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