（73） is the first line of protect between your computer and the public Internet.

（73）

A． The Internet protocol

B． The firewall

C． The anti-virus software

D． The intrusion-detection systems

[单选题]（ ）is the first line of protect between your computer and the public Internet.A．The Internet protocolB.The firewallC.The anti-virus software D.The intrusion-detection systems

[单选题]What is the most obvious difference between men and women shoppers?A． The fact that men do not try clothes on in a shop.B． Women bargain (讨价还价) for their clothes, but men do not.C． Women stand in a shop, but men sit down.D． The time they take to buy

[单选题]（）is to protect goods not to be deteriorated like for and medicine.A . packagingB . special packagingC . green packagingD . vacuum packaging

[主观题]H．ow to protect ourselves should be __________(教) at school.

[单选题]（）is used to protect goods not to be deteriorated like food and medicine.A . packagingB . Green PackagingC . Vacuum packagingD . Special packaging

[单选题]D．I was in line waiting to pay. In line there were two people before me. A little boy was buying some rather strange clothes. He chatted with anyone who was interested in the clothes and soon we learnt that he was going to a kindergarten(幼儿园) party.

[主观题]A．nimalsareourfriends,so______(protect)themisourduty.

[单选题]D．on’t you think ___ important to protect our earth?A． thatB． howC． itD． this

[单选题]Debt covenants to protect bondholders are least likely to:A.Restrict the pa

[单选题]The capital allocation line is a straight line from the risk-free asset thr