温疟的治法是E．

A. They are here with us now because they took the early train.
B. They wanted to be with us, so they took the early train.
C. They didn't take the early train, so they can't be here now.
D. Even if they took the early train, they still couldn't be with us now.

A. Building dams along the coasts.
B. Setting up several summer resorts along the coasts.
C. Mapping the coast and whole territory.
D. Setting up permanent bases on the coasts.

A. 调制解调器是计算机通信的一种重要工具，采用“拨号上网”的方式，必须有一个调制解调器
B. 调制解调器通常可分为内置式和外置式两种
C. “解调”是将计算机的数字信号转换成电话网可以传输的模拟信号
D. 数据传输是调制解调器最重要的性能指标

A. 对单元格只能水平拆分
B. 对单元格只能垂直拆分
C. 对表格只能水平拆分
D. 对表格只能垂直拆分