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搜题/搜资源
【单选题】【消耗次数:1】
And what we got to __________ is a disgrace.
①
come up with
②
catch up with
③
put up with
④
keep up with
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相关题目
【单选题】
_____ that we couldn’ t catch up with him.
①
So fast he ran
②
So fast did he run
③
So fast ran he
④
Such fast did he run
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【单选题】
It took a lot of imagination to come up with such an _____plan.
①
bright
②
clever
③
brilliant
④
ingenious
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【单选题】
The worker put up a picture [填空] the wall.
①
in
②
on
③
at
④
for
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【单选题】
When I got up this morning, I felt the temperature had ____.
①
sunk
②
reduced
③
dropped
④
lowed
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【单选题】
We should set up special schools for the ______ people.
①
A.young
②
B.old
③
C.poor
④
D.disabled
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【单选题】
Up to now we have ( )the goal we set at the very beginning.
①
assured
②
influenced
③
possessed
④
accomplished
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【单选题】
- Shall we sit up here on the grass or down there near the water?
①
I’d rather stay here if you don’t mind
②
Sorry, I don’t like neither
③
Certainly, why not?
④
Yes, we like these two places
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【单选题】
Shall we sit up here on the grass or down there near the water?_________
①
I’d rather stay here if you don’t mind.
②
Sorry, I don’t like neither.
③
Certainly, why not?
④
Yes, we like these two places.
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【单选题】
A: Could you help me put up the posters on the wall? B: [填空].
①
I will
②
No problem
③
I would like
④
Thats a good idea
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【单选题】
Only when one is ______ of one’s getting behind is one more likely to catch up.
①
critical
②
aware
③
visual
④
effective
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随机题目
【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
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【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">
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【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">
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【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">
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【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
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【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
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【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
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【单选题】
红星机械厂计划规定,今年甲产品的单位产品成本比去年降低4%,实际执行的结果降低了5%,则该产品单位成本降低计划完成程度的算式为()。
①
<imgwidth="30"height="43"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk006.files/tjxyl_bk0067428.png">
②
<imgwidth="44"height="43"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk006.files/tjxyl_bk0067533.png">
③
<imgwidth="36"height="43"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk006.files/tjxyl_bk0067638.png">
④
<imgwidth="63"height="21"src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk006.files/tjxyl_bk0067743.png">
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【单选题】
甲乙两个车间工人日加工零件数的均值和标准差如下:甲车间:<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204133016_901.png"/>=70件,<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204133853_863.png"/>=5.6件,乙车间:<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204132636_598.png"/>=90件,<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191129/20191129164519_624.png"/>=6.3件,哪个车间日加工零件的离散程度较大()
①
甲车间
②
乙车间
③
两个车间相同
④
无法作比较
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【单选题】
在完全竞争的市场中,一家企业的总成本为<imgsrc="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191203/20191203031216_955.png"alt=""/>,产品价格P=10,从短期看,该企业利润最大化产量为()。
①
10
②
8
③
2
④
4
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