皮皮学，免费搜题
登录
搜题
【单选题】
以下关于喹诺酮类抗菌药物正确的说法是（）A.
第一代喹诺酮类抗菌药物对G菌有抗菌作用，对G菌和绿脓杆菌几乎无活性
B.
第二代喹诺酮类抗菌药物分子中引入对DNA促旋酶有亲和作用的哌唑环
C.
第三代喹诺酮类抗菌药物的特点为8位上引入氟原子，9位多为哌嗪或其类似物或衍生物
D.
诺氟沙星可用牛奶送服
E.
氧氟沙生殖系统感染无效
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The recitation of a poetry by the teacher or a student in the classroom ______.
A.
is the best way to understand it
B.
easily arouses some discussion among the students
C.
helps the teacher to analyze it
D.
cannot take the place of the poet reading it
【简答题】Her necklace was g____(闪烁;闪耀) with diamonds.
【简答题】A) urgent B) important C) original D) unnecessary
【简答题】闪闪发光,闪烁,闪耀 (动词)
【简答题】闪耀,闪烁
【简答题】A．useless B．impossible C．inappropriate D．unnecessary
【简答题】《农业气象》p148,7题:24节气的农业含义。
【多选题】What are the ways to remove unnecessary words?
A.
Change the sentence structure
B.
Cut unnecessary words/phrases
C.
Delete the entire sentence
D.
Remove unnecessary repetition
参考解析：
知识点：
题目纠错 0
发布
