问题
填空题
蓝牙技术一般用于______米之内的手机、PC、手持终端等设备之间的无线连接。
答案
参考答案：J
解析： 蓝牙是一种支持设备短距离通信(一般是10 m之内)的无线电技术。能在包括移动电话、PDA、无线耳机、笔记本电脑、相关外设等众多设备之间进行无线信息交换。
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蓝牙技术一般用于______米之内的手机、PC、手持终端等设备之间的无线连接。
参考答案：J
解析： 蓝牙是一种支持设备短距离通信(一般是10 m之内)的无线电技术。能在包括移动电话、PDA、无线耳机、笔记本电脑、相关外设等众多设备之间进行无线信息交换。
| 完形填空 | |||
| My name is Bill. I’m 1 American boy. I’m twelve. I’m a student of a middle school. I’m in Class 4, Grade 1. 2 44 students in our class.Li Lei is my friend. We are in the same class. He is eleven. Here’s a picture of 3 family. 4 look at it. The policeman on the chair is his father. His mother is a teacher of Chinese. These are his twin sisters. They have a cat. 5 name is Mimi. Look! It’s 6 the floor under the table. 7 twins are middle school students, too. They are in the 8 class. How many 9 students are there in their class? There is only 10 . | |||
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