【单选题】Chen Dan is kind and is always . [ ]
C.
ready to help the others
D.
ready for help the others
【单选题】You can go to Nancy.She is always _____. [ ]A.ready to help othersB.ready to help the othersC.ready
A.
You can go to Nancy. She is always _____.____ [ ] A. ready to help others
B.
ready to help the others
C.
ready for help others D . ready for help the others
【多选题】以下关于细菌染色法,叙述正确的是
B.
负染色就是不使细菌着色,而使背景着色形成反差的一种染色法
C.
革兰染色法在鉴别细菌、选择抗菌药物和研究细菌致病性方面具有极重要的意义
E.
革兰染色的步骤是:石碳酸复红加热初染—酒精脱色—水洗—美兰复染
【单选题】He is _______ go home tomorrow. [ ]
【单选题】敌百虫口服中毒时,不能用碱性溶液洗胃,对硫磷中毒者忌用高锰酸钾洗胃的原因是______。
【单选题】Breakfast is ____. [ ]
【单选题】Lucy is very helpful. She is always _________ others.
【单选题】Are you the Spring Festival, Daming? [ ]