（）（1）

A.1

B.2

C.3

D.4

A.the;/

B.an;the

C.1;/

D.an;/.

The noise was terrible, but I had to live it.

A) with B) through C) down D) on

A.The home matters greatly to Englishmen.

B.The castle is more important than the home.

C.The home is more important than the castle.

D.Englishmen usually live in homes instead of castle.

A.增加1

B.原值´2

C.减少1

D.原值/2

A.TTL（Time to Live）生存时间

B.可以用来在路由器上简单防环

C.每经过一个三层设备该TTL值加1

D.TTL可以限制数据包的传播范围

The expression, "to cut the cord", is used to show that _____.

A) children don't like their parents

B) parents don't feel close to their children

C) parents would not like to live together with their children

D) independence from one's family is an important personal goal in USA

What sort of terrain do borbary sheep live in？

The hunter-gatherer tribes that today live as our prehistoric human __1__

If I()long enough to have a job,1 would choose to be a doctor,()those AIDS patients.

A. had lived; helping

B.should live; help

C. were to live; helping

D.should have lived; help