试题详情

The mountain is ______ 6.3 kilometers high, but it is not the highest one.

（ ）with the size of the whole earth,the highest mountain does not high at all.

p．The highest mountain in the world is about 9 kilometres high．If that mountain were Dut into the s

ents but without a grade.Even if a grade is not given,the student is ______(5) for learning the mate