【单选题】Daniel is a very _____ football player and he plays very ______.
【单选题】下列关于抗生素的叙述,正确的是
B.
抗生素能杀死细菌,因此抗生素药品不会腐败变质
D.
抗生素是某些细菌产生的能杀死某些致病真菌的物质
【多选题】下列关于抗生素叙述是正确的
A.
抗生素主要是来源于细菌、真菌或其他微生物通过发酵产生的代谢产物
B.
抗生素在很低的浓度下能抑制或杀灭各种病源菌,达到治疗目的
C.
早期抗生素主要用于治疗细菌或真菌感染性疾病,故又称抗菌素
D.
半合成抗生素旨在增加稳定性,降低毒副作用,扩大抗菌谱减少耐药性改善生物利用度和提高治疗效
【单选题】下列关于抗生素的叙述,正确的是( )
B.
抗生素能杀死细菌,因此抗生素药品不会腐败变质。
D.
抗生素虽然能治病,但使用不当也会对身体不利。
【判断题】OGNL表达式必须与Struts2标签库搭配使用,否则不会有任何效果。
【单选题】听力原文:M: Hi, Jane. W: Hello, Daniel. How are you? M: I'm fine. Where are you headed? W: Oh, I'm on my way home from work. M: I didn't know you have a job. W: Ya. I work part-time at the supermarket. M:...
A.
their purchase in a supermarket
D.
drawbacks of having .a part time job
【单选题】-------- ________ Daniel ________ glasses? -------- Yes, he ________.
【简答题】Daniel stays home on workdays. He starts his personal computer in order to connect with the office which is about three hundred miles away in another city. After work, he puts on his headphones, watch...
【单选题】下列关于抗生素的叙述,正确的是( )
B.
抗生素能杀死细菌,因此抗生素药品不会腐败变质