题型:问答题 简答题 Some buildings built in the past _______ down and new ones are being built there.A.will be pulledB.had been pulledC.have been pulledD.are pulling 查看答案
题型:问答题 简答题 The dictionary is what I want, but I don’t have enough money _______ me. A.byB.forC.inD.with 查看答案
题型:问答题 简答题 关于卡介苗接种叙述正确的是()A.菌苗为无毒人型活结核菌B.儿童每隔5年复种一次C.卡介苗效果是绝对肯定的D.接种前均需做结核菌素试验E.使人产生免疫力同时也产生变态反应 查看答案