【单选题】以下( )不是光缆所具有的特点。
B.
光缆不受电磁干扰,不受空气中化学物质的侵蚀,误码率低
【单选题】When the next brochure is printed, it will
A.
have an improved design.
B.
include a new product.
C.
contain extra information.
【简答题】事故抢修和遇有危及人身或设备安全的紧急情况,由()布置安全、防护措施。
【单选题】A new technological process may be employed to tap this abundant supply directly.
【单选题】以下所列各项中,()不是计算机信息系统所具有的特点。
B.
除去具有基本数据处理的功能,也可以进行分析和决策支持等服务
【单选题】According to the passage, what makes the new report special?
A.
It observes the full production chain in detail.
B.
It informs consumers of a new sustainability rating.
C.
It shows the indirect effects of an individual product.
D.
It stresses the challenges different industries face.
【单选题】设i,j,k均为int型变量,则执行完下面的for循环后, k的值为 i=0; for(j=10;i<=j;i++) { k=i+j; j=j-1;}
【单选题】从西亚到北非,再到乌克兰危机,西方大国越来越依赖哪一种方式进行意识形态的渗透和传播?( )