【C16】A．beatB．poundC．pulseD．bass

His pulse is not very regular.（英译中)

They need to buy _____ tea.A．0.25 poundB．0.5 poundC．a tin ofD．12 kilos

Which of the following words does not belong to open class？A．BeatB．DramaC．AndD．Clever

If after vigorous exercise a persons pulse rate remains high for a long while, he or she _

【C15】A．beatB．movedC．leaptD．jumped

A.at beatB.at mostC.at worseD.at least