根据I栏的问句,从Ⅱ栏中找出与之相应的答语。I Ⅱ( )1. Were the

题型:补全对话,情景问答

问题:

根据I栏的问句,从Ⅱ栏中找出与之相应的答语。
 I
    Ⅱ
( )1. Were the twins at the party last night?
(     )2. Was Mr Li at work or away yesterday?
(     )3. How many people were there at the meeting?
(     )4. Why was Liz not here last night?
(     )5. Were you late this morning?
(     )6. What did you have for breakfast?
A. She was ill.
B. No, I was quite early.
C. Yes, they were.
D. I had bread and milk.
E. He was at work.
F. About twelve.                                          
考点:情景交际
题型:补全对话,情景问答
给定下列四个命题:
①若
1
a
1
b
<0
,则b2>a2
②已知直线l,平面α,β为不重合的两个平面.若l⊥α,且α⊥β,则lβ;
③若-1,a,b,c,-16成等比数列,则b=-4;
④若(x-2)5=a5x5+a4x4+a3x3+a2x2+a1x+a0,则a1+a2+a3+a4+a5=-1.
其中为真命题的是______.(写出所有真命题的序号)
题型:补全对话,情景问答

十四根

题型:补全对话,情景问答

钢结构规范关于轴心受压钢构件整体稳定的柱子曲线(φ-λ关系曲线)有多条的根本原因是考虑了()

A.材料非弹性

B.构件的初弯曲

C.残余应力的影响

D.材料非均匀

题型:补全对话,情景问答

下列选项中,关于集线器的描述,不正确的是( )。

A.多集线器级联结构由一个基础集线器与多个扩展集线器组成
B.无论是堆叠式集线器结构或是多集线器级联结构,局域网中所有的结点都处于同一个冲突域中
C.堆叠式集线器适用于中、小型企业网环境,多集线器级联结构适用于大型企业网环境
D.尽管以太网的数据传输速率从10Mbit/s发展到10Gbit/s,但它们在MAC层仍采用CSMA/CD方法,帧结构也没有变化,改变的只是相应的物理层协议

题型:补全对话,情景问答

奥运会的马拉松比赛项目源于:()

A、希波战争

B、布匿战争

C、亚历山大东侵

D、罗马帝国的扩张

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