可替代四环素发挥广谱抗菌作用的药物是
A.多西环素 B.氟康唑 C.喹碘方 D.阿米卡星 E.替硝唑
参考答案:A
句型变换:(共8小题,每题1分,满分8分)
小题1:In addition to all her other qualifications, Bessie was also an expert cook.
________ ________ all her other qualifications, Bessie was also an expert cook.
小题2:Some officials’ ill behavior has greatly affected the public confidence in our government.
Some officials’ ill behavior has a great ________ ________ the public confidence in our
government.
小题3:All computers are made up of five units though they are of different kinds.
All computers ________ ________ five units though they are of different kinds.
小题4:Although the weather is unbearably cold, many pests will be killed by it.
Unbearably cold ________ the weather ________, many pests will be killed by it.
钢铁工业是一个国家的支柱产业之一。以下是工业炼铁的基本生产流程示意图。
请回答下列问题:
(1)写出设备A的名称:___________。
(2)石灰石的主要作用是造渣。写出在高温条件下石灰石分解的化学反应方程式:__________________。