保卫工作主要指机关、团体、企业和事业单位内部的公安保卫工作，计算机信息系统的安全监察工作。 ( )
参考答案：对
根据课文内容填空。
Wang Bing is 1._____ an 2._____ to his 3._____ friend, Tom. Gao San wants to 4._____ table
tennis 5._____Wang Bing. But Wang Bing is 6._____ now. Who is Tom? Tom is an 7._____ boy.
He 8._____ in a small 9._____ near 10._____. He 11._____ English, Maths, Science and Art. He
12._____ study Chinese. He usually 13._____ on Sundays. He 14._____ and 15._____ very well.
翼运维更纤只需要更到对应的OBD即可，不需要对应第几口。（）
