Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
名词解释：offer
Inourdepartment,everystudent_________after-schoolactivities.
Thecolloquialorspokenlanguageisthelanguagefortheuseofthe________.
______innsandtaverns,inparticular,gainedareputationforcleanlinessandcomfortandsetthestandardforaccommodationinotherpartsofEurope.
