下列四项中表示域名的是（）。

A . Pt B . Pz C . Ar D . Mz

A .https://assets.asklib.com/images/image2/2017072116174478245.jpg B .https://assets.asklib.com/images/image2/2017072116174781614.jpg C .https://assets.asklib.com/images/image2/2017072116175044952.jpg D .https://assets.asklib.com/images/image2/201707211617557509.jpg

A . M B . R C . A D . Sc

A .https://assets.asklib.com/images/image2/2017091909284392495.jpg B .https://assets.asklib.com/images/image2/2017091909284966554.jpg C .https://assets.asklib.com/images/image2/201709190928551838.jpg D .https://assets.asklib.com/images/image2/2017091909285994406.jpg

A . A、zjwww@china.com B . B、hk@zj.school.com C . C、www.cctv.com D . D、202.96.68.123

A . A、R B . B、T C . C、了 D . D、K

A . news.cctv.com B . infor@nj.school.com C . njwww@china.com D . 61.155.62.60

A . .com B . .edu C . .gov D . .mil

A . www.hat.net.cn B . www.hit.edu.cn C . www.hat.ac.cn D . www.hat.com.c

A . Grave B . Andante C . Adagio D . Allegretto

A . edu B . gov C . com D . www

A .https://assets.asklib.com/images/image2/2017070109374532367.jpg B .https://assets.asklib.com/images/image2/2017070109374955095.jpg C .https://assets.asklib.com/images/image2/2017070109375455769.jpg D .https://assets.asklib.com/images/image2/2017070109380387652.jpg

A . onload B . unonload C . onkeyup D . onhel

A . M B . R C . A D . Sc

A . <table>B . <img>C . <a>D . <hr&gt

A .https://assets.asklib.com/psource/79421447750043049.png B .https://assets.asklib.com/psource/79681447750054427.png C .https://assets.asklib.com/psource/99771447750067979.png D .https://assets.asklib.com/psource/65781447750080918.png

A . A、FO B . B、FS C . C、FC D . D、QS

A、ks@183.net B、196.168.0.1 C、www.gov.cn D、www.cctv.com

A . ks@183.net B . 192.168.0.1 C . www.gov.cn D . www.cctv.com

A.www@ptzx.net B.202.112.7.12 C.mail.ptzx.net D.whz