A-A+
Fiber-optic cables can carry hundreds of telep
问题详情
Fiber-optic cables can carry hundreds of telephone conversations ______.
A.simultaneously
B.spontaneously
C.homogeneously
D.contemporarily
参考答案
正确答案:A
解析:句意:光缆能够同时保证上百对电话的使用。simultaneously同时地。spontaneously自发地,自然地。 homogeneous同种的,同质的。contemporary同时代的。