【单选题】网络地址为154.27.0.0的网络,若不作子网划分,能支持()台主机.
【单选题】The writer believes that reading by the computer is advisable chiefly because ______.
A.
it saves a lot of time to find information needed
B.
it reads more efficiently than a human mind
C.
it covers a much wider range of reference
D.
it guarantees reading efficiency and validity
【单选题】The writer believes that pets are valuable to children because they ______.
【单选题】下列内容不属于法律的基本特征的是( )。
A.
由国家制定或认可的,代表国家意志的一种行为规范
B.
规定人们权利和义务的特殊的社会规范,以国家规定的人们在法律上的权利和义务,并以国家强制力对其权利加以保障,对其义务进行监督实施
C.
由国家强制力保证实施的,具有普遍的约束力,这是法律区别于其他社会规范的最本质的特征
【单选题】The writer believes that reading by the computer is advisable chiefly because it ______ .
A.
saves a lot of time to find information needed
B.
reads more efficiently than a human mind
C.
covers a much wider range of reference
D.
guarantees reading efficiency and validity
【单选题】Regarding the dangers of pollution, the writer believes that ______.
A.
there is a need for rational discussion.
B.
indoor pollution is a recent phenomenon.
C.
people should worry most about their work environment.
D.
industrial pollution causes specific diseases.
【单选题】( )内容不属于法律基本特征。
A.
由国家制定或认可的,代表国家意志的一种行为规范
B.
规定人们权利和义务的特殊的社会规范,以国家规定的人们在法律上的权利和义务,并以国家强制力对其权利加以保障,对其义务进行监督实施
C.
由国家强制力保证实施的,具有普遍的约束力,这是法律区别于其他社会规范的最本质的特征
【单选题】The writer believes that Americans do not learn foreign languages largely because they are lazy.