【单选题】【消耗次数:1】
A: Do you know Marks phone number? B: [填空] . A: OK. I might as well look it up in the phone book.
Just a second
Not that I know of
I cant think of it now
Why ask?
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相关题目
【单选题】 A: Do you know that Tony quarreled with his brother? B: I dont know,[填空].
①  nor dont I care
②  nor do I care
③  I dont care neither
④  I dont care also
【判断题】 A: How can I book a cheap hotel? B: If I were you, Id phone a travel agent.
①  正确
②  错误
【多选题】 A: I think the boy can do it well.B:_________ .
①  Certainly
②  Sure
③  I agree
④  Ill do it
【单选题】 I don’t know you want to keep the letter, I’ve _____it up.
①  torn
②  given
③  broken
④  disposed
【判断题】 A: You know, I have three kids now. B: Thats terrific.
①  正确
②  错误
【单选题】 A: You look a little pale. Are you OK? B: [填空], I feel terrible.
①  To tell you the truth
②  To speak out
③  To begin with
④  To sum up
【判断题】 A: Do you think I can use your computer for one day? B: No you cant.
①  正确
②  错误
【单选题】 A: Its getting late. Im afraid I must be going now. B: Ok. [填空].
①  See you
②  Take it easy
③  Go slowly
④  Stay long
【单选题】 A: Are you ready for the test tomorrow? B: [填空] A: Come on, I am sure you will do well.
①  Why do you ask?
②  No. Im afraid not.
③  Sure, no problem.
④  What about you?
【判断题】 A: Can I use the phone in the living room? B: Yes, you can.
①  正确
②  错误
随机题目
【单选题】 设<imgwidth="50"height="17"src="http://wljy.whut.edu.cn//uploadfiles/word/lsss002.files/image018.png">,则有(   )
①  <imgwidth="35"height="16"src="../uploadfiles/word/lsss002.files/image019.png">
②  <imgwidth="37"height="18"src="../uploadfiles/word/lsss002.files/image020.png">
③  <imgwidth="37"height="19"src="../uploadfiles/word/lsss002.files/image021.png">
④  <imgwidth="38"height="20"src="../uploadfiles/word/lsss002.files/image022.png">
【单选题】 设论域为整数集,下列真值为真的公式是(   )
①  <imgwidth="116"height="20"src="../uploadfiles/word/lsss001.files/image023.png">
②  <imgwidth="116"height="20"src="../uploadfiles/word/lsss001.files/image024.png">
③  <imgwidth="119"height="20"src="../uploadfiles/word/lsss001.files/image025.png">
④  <imgwidth="134"height="20"src="../uploadfiles/word/lsss001.files/image026.png">
【单选题】 设A=<imgwidth="25"height="21"src="http://wljy.whut.edu.cn//uploadfiles/word/lsss001.files/image067.png">,B=P(P(A)),以下不正确的式子是(   )
①  <imgwidth="169"height="21"src="../uploadfiles/word/lsss001.files/image068.png">包含于B
②  <imgwidth="55"height="21"src="../uploadfiles/word/lsss001.files/image069.png">包含于B
③  <imgwidth="76"height="20"src="../uploadfiles/word/lsss001.files/image070.png">包括于B
④  <imgwidth="129"height="23"src="../uploadfiles/word/lsss001.files/image071.png">包含于B
【单选题】 若R和S是集合A上的两个关系,则下述结论正确的是(   )
①  若R和S是自反的,则R∩S是自反的
②  若R和S是对称的,则R<imgwidth="11"height="11"src="../uploadfiles/word/lsss002.files/image036.png">S是对称的
③  若R和S是反对称的,则R<imgwidth="11"height="11"src="../uploadfiles/word/lsss002.files/image037.png">S是反对称的
④  若R和S是传递的,则R∪S是传递的
【单选题】 下列式子正确的是(   )
①  (A-B)-C=A-(B∪C)
②  A-(B∪C)=(A-B)∪C
③  ~(A-B)=~(B-A)
④  <imgwidth="90"height="18"src="../uploadfiles/word/lsss001.files/image037.png">
【单选题】 下列四个格,是分配格的是(   )
①  <imgwidth="100"height="117"src="../uploadfiles/word/lsss001.files/image038.png">
②  <imgwidth="100"height="111"src="../uploadfiles/word/lsss001.files/image039.png">
③  <imgwidth="106"height="115"src="../uploadfiles/word/lsss001.files/image040.png">
④  <imgwidth="98"height="109"src="../uploadfiles/word/lsss001.files/image041.png">
【单选题】 下列等价式正确的是()
①  ┐<imgwidth="83"height="20"src="../uploadfiles/word/lsss001.files/image001.png">┐A
②  <imgwidth="147"height="20"src="../uploadfiles/word/lsss001.files/image002.png">
③  ┐<imgwidth="86"height="20"src="../uploadfiles/word/lsss001.files/image003.png">┐A
④  <imgwidth="248"height="20"src="../uploadfiles/word/lsss001.files/image004.png">
【单选题】 下列集合对所给的二元运算封闭的是(   )
①  正整数集上的减法运算
②  在正实数的集R+上规定为ab=ab-a-b<imgwidth="15"height="16"src="../uploadfiles/word/lsss002.files/image005.png">a,b∈R+
③  正整数集Z+上的二元运算为xy=min(x,y)<imgwidth="15"height="16"src="../uploadfiles/word/lsss002.files/image005.png">x,y∈Z+
④  全体n×n实可逆矩阵集合Rn×n上的矩阵加法
【多选题】 设产品的单位成本(元)对产量(百件)的直线回归方程为<imgwidth="97"height="22"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk002.files/tjxyl_bk00210502.png">,这表示()
①  产量每增加100件,单位成本平均下降1.85元
②  产量每减少100件,单位成本平均下降1.85元
③  产量与单位成本按相反方向变动
④  产量与单位成本按相同方向变动
【判断题】 置信度(<imgwidth="36"height="20"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk003.files/tjxyl_bk00316160.png">)反映了总体参数落在某个区间的概率为(<imgwidth="36"height="20"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk003.files/tjxyl_bk00316282.png">)()
①  正确
②  错误