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问题 单项选择题

小儿脑性瘫痪语言障碍最常见()

A．语言发育迟缓

B．构音障碍

C．运动性失语症

D．感觉性失语症

E．语言失用症

答案

参考答案：A

选择题

. –I hear Alice was badly injured in the accident and sent to hospital.

--_____________, we should go and see her immediately.

A．If so

B．When necessary

C．On condition that

D．Believe it or not
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单项选择题

某Linux DHCP服务器dhcpd.conf的配置文件如下：
ddns-update-style none；
subnet 192.168.0.0 netmask 255.255.255.0
range 192.168.0.200 192.168.0.254;
ignore client-updates;
default-lease-time 3600;
max-lease-time 7200;
option routers 192.168.0.1;
option domain-name"test.org";
option domain-name-servers 192.168.0.2;

host test1 hardware ethernet 00:E0:4C:70:33:65；fixed-addresS 192.168.0.8;
客户端IP地址的默认租用期为______小时。

A．1

B．2

C．60

D．120
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