计算机的输入、输出设备有哪些？
参考答案：
现代计算机的输入设备，最常用的是键盘、鼠标器、扫描仪等。输出设备主要有显示器和打印机等。
药物性皮炎有哪些特点
根据句意,用括号内所给单词的适当形式填空。
小题1:I think this bag is one of the ________ (speak) .
小题2:How __________ (careful) the boy is! He left his key in the library.
小题3:Little Kitty likes hiding ________ (her) behind the door to frighten her friends.
小题4:The two (rob) got into the car and drove away.
小题5:We played ____________( happy ) in the park yesterday than we did today.
