题目内容

下列有关铁的吸收与代谢,阐述错误的有()。

A. 铁的吸收主要在小肠的上段,且吸收效率最佳;
B. 一般来说,在植物性食物铁的吸收率较动物性食物为高;
C. 成年男性体内贮存的铁约为1g;
D. 肝脏是铁贮存的主要部位;
E. 铁在食物中主要以二价铁形式存在。

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根据重大事故的特点,应急救援行动必须做到迅速、准确和有效。

A. 正确
B. 错误

You work as a network administrator at ABC.com.The ABC.com network consists of a single domain named ABC.com.All servers on the ABC.com network have Windows Server 2012 R2 installed and all client computers have Windows 8 installed.The ABC.com network has a single DNS server named ABC_SR09.The client computers are located in an organizational unit (OU) named ABCPCs.You add a new Windows Server 2012 R2 computer named ABC_SR10 to the network and configure the computer as an Intrasite Automatic Tunnel Addressing Protocol (ISATAP) router. How would you enable the client computers to locate the ISATAP router through DNS?()

A. You should run the netsh interface ipv6 install command on the client computers.
B. You should run the netsh interface ipv6 install command on ABC_SR10.
C. You should add the host (A) record isatap.ABcom to the DNS zone.
D. You should add an IPv6 host (AAA) record for ABC_SR10 to the DNS zone.
E. You should run the Set-DnsServerGlobalQueryBlockList cmdlet on ABC_SR09.
F. You should run the Set NetIsatapConfiguration cmdlet on ABC_SR10.

支付宝提供第三方支付服务收取佣金属于()盈利模式.

A. 广告费
B. 增值服务费
C. 会员费
D. 交易费

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