【判断题】练习悄悄话会让舌头变得灵巧,吐字轻巧。()
【单选题】I'm sorry, but there are ______ for Sunday's concert.
【单选题】There were______________for Saturday' s movie.
【单选题】3个月小儿,查体见口唇及睑结膜稍苍白,红细胞3.0×1012/L血红蛋白110g/L该患儿可能是
【简答题】A.used by B.available for C.available to D.ready for
【单选题】Thank you for your price list showing various kinds of products now____ for export. A. available B. be available C. to be available D. being available
【单选题】某计算机A需要访问域名www.yy.com,它首先向本域DNS服务器S1查询,如果S1的缓存和数据库中均无此域名记录,则给计算机A返回上级域DNS服务器S2的IP地址,计算机A再向S2查询该域名,依次类推,直到计算机A找到可以解析该域名的DNS服务器为止。( )