[A] admits
[B ] allows
[C] reveals
[D] claims
查看答案
改革开放以来,我国报业结构发生了怎样的变化?如何看待主流媒体与非主流媒体?党报的主流地位面临哪些挑战?
When we don ' t know the different ways languages are used in different cultures, _______we
make serious mistakes.
[A]shall
[B]must
[C]could
[D]should
[A] absolute
[B] arbitrary
[ C] plentiful
[D] superfluous
What enabled the earliest balloons to fly?
[A] Gas produced by metal and coal. .
[B] Air kept hot by burning coal.
[C] Hydrogen heated by a. gas burner.
[D] Natural gas carried in a metal container.