在下面的说法中,正确的是( )。
A. 一个完整的计算机系统由硬件系统和输入、输出系统组成
B. 16位字长的计算机能处理的最大数是16位十进制数
C. 计算机可以直接对磁盘中的数据进行加工处理
D. 计算机区别于其他计算工具最主要的特点是能存储和运行程序
Our world is becoming much smaller ()
A. because the earth is being polluted day and night
B. thanks to science development
C. because of the rise in population
D. because the earth is blown away by the wind every years
34()
A. want to keep
B. will look
C. have used
D. have written
急性支气管炎风寒咳嗽的治法是
A. 解表散寒,宣肺止咳
B. 疏风清肺
C. 清肺化痰
D. 滋阴润肺
E. 辛凉解表,宣肺止咳