noun
1
BAD : These courses are taught in postgraduate level.
GOOD : These courses are taught at postgraduate level.
BAD : The volume of the radio should be kept in a low level.
GOOD : The volume of the radio should be kept at a low level.
◆◆◆
at a particular level (NOT in ) = having a particular degree of intensity, power, proficiency etc: 'Students at this level need individual tuition.' 'Talks are being held at the highest level.'
Compare: 'James likes school. He's now in Level 3.' (= in a class at Level 3)
2
BAD : People in developed countries have a higher level of living.
GOOD : People in developed countries have a higher standard of living.
◆◆◆
When you are talking about the quality of something, the usual word is standard : 'All his work is of a very high standard.' 'Our company accepts only the highest standards of workmanship.'
3
BAD : What will we do if the sea level continues to increase?
GOOD : What will we do if the sea level continues to rise?
◆◆◆
See note at INCREASE 2 (↑ increase )