As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work. A. the, 不填 B.不填,不填 C. the, a D. an, the 答案:B 解析: unemployment 和 work 均为不可数名词,表示一般意义时其前不用冠词。某同学在练习测量胸围差时,连续测量三次获得到数据分别是:第1次11cm,第2次9cm,第3次10cm,则她的胸围差是( )A.10cmB.9cmC.11cmD.30cm