【单选题】— You look upset. What’s the matter ? — I had my proposal _______ again. A . turned over B . turned on C . turned off D . turned down
【多选题】马云说,阿里巴巴是一家通过持续推动技术进步,不断拓展商业边界的企业,是靠众多参与者建立的生态系统,因为系统复杂,也让竞争中不容易轻易模仿,这启示我们,企业要想真正成功,必须( )
【单选题】肺泡通气量是指
D.
肺泡通气量=(潮气量+无效腔气量)×呼吸频率
【简答题】根据句意,用括号内所给单词的适当形式填空。 1. You look_____(worry). What’s the matter? 2. What you’ve said is_____ (possible) true, but I disagree with you. 3. The policeman is looking for the_____(own) of the black car. ...
【判断题】在进行土壤微生物的分离时,为筛选到不同类型的微生物,我们往往需要配置不同种类的培养基,如用高氏1号培养基来分离细菌,用马丁氏培养基分离放线菌,用孟加拉红培养基分离霉菌和酵母菌等。
【简答题】翻译。 1. Sorry, coach, I can’t play soccer today. 2. What’s the matter? Are you sick? 3. Yes, I have a sore throat. 4. Oh, I see. Well, take it easy — and go to see a doctor. 5. Yeah. That’s a good idea...
【简答题】选出错误选项 ( ) 1. What’s the matter with he ? A B C ( ) 2. We don’t have some lessons on Sunday. A B C ( ) 3. Here’s some water...