Fiber-optic cables can carry hundreds of telephone conversations ______. A. simultaneously B. spo

Under some conditions, a single bacterium can grow seventeen million disease－carrying

The man can carry the box.A．True.B．False.

Passengers can get a breath－taking view when riding m a cable－car because

During the day，a vessel picking up a submarine cable shall carry （).A.Three shapes，the hig

Only when goods can be carried to all parts of th

Only when goods can be carried to all parts of th