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搜题/搜资源
【单选题】【消耗次数:1】
06. He spoke so quickly that I didn t _________ what he said.
①
makefor
②
makesure
③
makeover
④
makeout
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He said he would never be intimidated _____ what he didn’t like by big names and authorities.
①
do
②
to do
③
did
④
into doing
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【单选题】
He said he would continue a support us we didn’t break the rules.
①
as well as
②
as soon as
③
as far as
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as long as
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【单选题】
He said he would continue a support us _____ we didn’t break the rules.
①
as well as
②
as soon as
③
as far as
④
as long as
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【单选题】
Peter could hardly catch what I said, _____ he?
①
could
②
couldn’ t
③
did
④
didn’ t
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He didn’t ______ to cause so much unhappiness.
①
extend
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attend
③
intend
④
tend
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【单选题】
8.Do you have any idea what he meant? I really can’t ______ what he said at this morning’s meeting.
①
figure on
②
figure out
③
find out
④
find
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He didn’t have the book ____________ I wanted.
①
what
②
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【单选题】
I’ m____ that he didn’ t come.
①
astonished
②
astonishing
③
astonish
④
to astonish
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If only he __________ what I tell him, but he won’t.
①
had done
②
would do
③
would have done
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has done
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【单选题】
39.He is said ___abroad, but I don`t know which country he studied in.
①
tohavestudied
②
tostudy
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tobestudying
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tohavebeenstudying
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随机题目
【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
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<imgwidth="248"height="20"src="../uploadfiles/word/lsss001.files/image004.png">
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下列集合对所给的二元运算封闭的是( )
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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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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
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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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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">)()
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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()。
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<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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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()
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甲车间
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乙车间
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两个车间相同
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无法作比较
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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()。
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10
②
8
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2
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4
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在转导法公式中:<imgwidth="138"height="21"src="http://wljy.whut.edu.cn//uploadfiles/word/scycyjc003.files/image001.png">的k的含义是增长速度。()
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正确
②
错误
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【判断题】
在一次移动平均法公式:<imgwidth="130"height="35"src="http://wljy.whut.edu.cn//uploadfiles/word/scycyjc003.files/image002.png">中的T表示预测期与当期的间隔数。()
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正确
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错误
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已知某消费者的预算线如下所示,商品x的价格为2元,商品y的价格是()。<imgwidth="189"height="127"id="图片1"src="http://wljy.whut.edu.cn//uploadfiles/word/hwgjjx001.files/image001.png">
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1元
②
2元
③
4元
④
5元
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