【简答题】听录音,看图然后填空。 1. I often _____________ _____________ on _____________. 2. He often _____________ _____________ on _____________. 3. I often _____________ _____________ _____________ on _____________. 4....
【单选题】8只共阳数码管的字型码端a~dp分别对应相连接入单片机P0口,假设从P0口输出0x80,则
【单选题】It is _____ Tom often surfs the Internet playing s ______ makes his parents very angry.
【单选题】I know what's going on with him because ______.
C.
he writes to me now and then
D.
I live not far from him
【单选题】He’ businesslike and is often _______. I hope he will have more ______ at his business.
C.
successfully; successful
D.
successful; successful
【单选题】若将一TTL异或门(输入端为A,B)当作反相器使用,则A,B端应按( )连接。
【判断题】张洁在作品《爱,是不能忘记的》当中所写的是人类在感情生活上一种难以弥补的缺陷,她想企图探讨和提出的,是恋爱观的问题。( )
【单选题】He is businesslike and is often _______. I hope he will have more _______ at his business.
C.
successfully; successful
D.
successful; successful
【单选题】一台Cise0交换机和一台3COM交换机相连,相连端口都工作在VLAN trunk模式,这两个端口应使用的VLAN协议是( )。
D.
IEEE 802.1Q和IEEE 802.1Q