第12题: [单项选择]院内感染常分离到的耐药菌株,除外() A. MRSA B. MRS C. VRE D. PRSP E. E.coli 参考答案:D
第13题: [单项选择]The economy as a whole has been declining in that country for years, ______ the computer industry has expanded steadily. A. so B. yet C. since D. unless 参考答案:B 答案解析:[理由] 空格前有主语the economy(经济)引导的句子,空格后也有主语the computer industry(电脑业)引导的句子,得知两个句子须用连接词连接。 选项中,(A)、(