皮皮学，免费搜题
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【单选题】
A 2-year-old boy came to the doctor due to systemic convulsions with acute upper respiratory tract infection, T39 °C, in order to determine the cause of convulsions, you should focus on which aspects when collecting children's health history ( )A.
History of birth
B.
feeding history
C.
allergic history
D.
Family history
E.
past seizures history
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【多选题】CA机构,又称为证书授证(Certificate Authority)中心,对其说明正确的是
A.
在SET交易中,CA对持卡人、商户发放证书,不能对获款的银行、网关发放证书
B.
CA中心为每个使用公开密钥的用户发放一个数字证书,数字证书的作用是证明证书中列出的用户合法拥有证书中列出的公开密钥
C.
CA机构的数字签名使得攻击者不能伪造和篡改证书
D.
作为电子商务交易中受信任的第三方,承担公钥体系中公钥的合法性检验的责任
【单选题】关于CA安全认证体系的叙述中，错误的是( )。
A.
CA安全认证中心负责所有实体证书的签名和分发
B.
CA机构的数字签名使得攻击者不能伪造和篡改证书
C.
CA安全认证中心以磁盘或智能IC卡的形式向用户发放证书
D.
CA安全认证中心进行销售和谈判，处理用户的订单
【单选题】Given an initial equilibrium in the money market and foreign exchange market, suppose the Federal Reserve increases the money supply of the United States. Under a floating exchange-rate system, the do...
A.
Appreciate in value relative to other currencies
B.
Depreciate in value relative to other currencies
C.
Be officially devalued by the government
D.
Be officially revalued by the government
【单选题】If the central bank buys foreign exchange in the spot market and sells domestic securities in the money market at the same time, this action can be called __________.
A.
discount window operation
B.
non-sterilized intervention
C.
sterilized intervention
D.
open market operation
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