— Would you mind my opening this window? It’s getting stuffy in here.— ()
A. I don’t like it.
B. Not at all, go ahead.
C. Yes, please.
D. Sure, please.
Lily: Hey, David. Long time no see. What do you do now?David: I’m a sales manager for Asia in a company. I’m in charge of twenty representatives.Lily: Wow! (26)David: It can be, but (27) And my own manager can give me support if there are any big problems. What about you?Lily: I’m a nurse in a hospital now. Although (28)David: (29)Lily: Yeah, it is. I wouldn’t do any other job.David: (30)Lily: They can be good and bad. It depends on how we think of them. 29()
A. I am very tired every day, I’m really happy to see my patients get well.
B. That must be quite stressful.
C. That must be really rewarding.
D. Both of our jobs have advantages and disadvantages.
E. I like the responsibility.
某对齿轮传动,模数为4mm,两轮齿数分别为20、40,当安装中心距为115mm,则此传动为()
A. 正传动
B. 零传动
C. 标准齿轮传动
D. 负传动
信息系统按核心业务可分成若干类型,其中市场监管系统属于()
A. 电子业务系统
B. 电子财务系统
C. 电子商务系统
D. 电子政务系统