【判断题】在进行网络维护时可以根据网卡指示灯的状态判断网络故障。
【单选题】听力原文:Sara: Now, let me just see. Yes, it certainly is swollen and rather inflamed. Sally: And, it seems to be going rather blue, doesn't it? Sam: Mm. Yes. Well, it could, of course, be a simple sprain...
【单选题】37,现代计算机中所采用的电子元器件是( )
【单选题】Passer-by: Is there a taxi stand on this street? Local resident: Let me see. Oh, yes, ______. Passer-by: Oh yes, I see it.
A.
it's not far from here
B.
you can see it from here
C.
there's one in front of the bank
D.
go to the bank to find it
【单选题】关于油脂的说法不正确的是( )
A.
油脂的熔沸点与组成油脂的高级脂肪酸的饱和程度密切相关
B.
组成油脂的高级脂肪酸的饱和程度越大,熔沸点越高
C.
组成油脂高级脂肪酸的不饱和程度越大,熔沸点越高
【判断题】脂肪酸的碳链越长、饱和程度越高,油脂的熔点越高。动物脂肪含不饱和脂肪酸较较少,所以在室温下呈固态。
【单选题】A: Here you are. B: _____ [ ]
【单选题】下列说法中正确的是 [ ]
B.
油脂在碱性条件下水解比在酸性条件下水解更容易发生