比较大小：0.36______26100 1.28______1.82 0.17

完成句子

1. I knew nothing about it before you told me.

    I __________ know anything about it __________ you told me.

2. Unit Two is more difficult than any other unit in this book.

    Unit Two is __________ __________ difficult in this book.

3. My mum asked me not to swim in the sea.

    My mum asked me to __________ __________ in the sea.

4. There is no life on the earth without water.

    There is no life on the earth __________ there is __________water.

5. We are planning to go to Zhanjiang soon.

    We are __________ __________ Zhanjiang soon.

扩展下句，要求用三个比喻句描写出“秋叶”的情状，字数50字以内。

山谷中，溪流边，满眼是缤纷的秋叶， ________________________

__________________________________________________________________

矿井应每周至少检查（）次煤尘隔爆设施的安装地点、数量、水量或岩粉量及安装质量是否符合要求。

以下关于DHCP服务的说法中正确的是 (70) 。

A．在一个子网内只能设置一台DHCP服务器，以防止冲突

B．在默认情况下，客户机采用最先到达的DHCP服务器分配的IP地址

C．使用DHCP服务，无法保证某台计算机使用固定IP地址

D．客户端在配置时必须指明DHCP服务器IP地址，才能获得DHCP服务

某患者，于吸宫术时，突然出现头晕，血压下降，面色苍白，应首先考虑（）。

A.宫颈裂伤

B.人流综合征

C.羊水栓塞

D.子宫穿孔

E.低血糖