【单选题】【消耗次数：1】
An experiment suggests that flowers have some____________ ways of keeping time.
①
modern
②
mysterious
③
military
④
mixed
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相关题目
【判断题】
In 1916-1917, military service was considered a romantic occupation because the young men of college age at that time knew nothing of modern warfare.
①
正确
②
错误
【单选题】
Some companies have introduced flexible working time with less emphasis on pressure ____.
①
than more on efficiency
②
and more on efficiency
③
and more efficiency
④
than efficiency
【单选题】
There were some ____ flowers on the table.
①
artificial
②
unnatural
③
false
④
unreal
【单选题】
I ___remember to send my mother some flowers. Its her birthday tomorrow.
①
must
②
have to
③
could
【单选题】
People ____ to the speech in different ways: some got angry while others nodded in agreement.
①
responded
②
acted
③
answered
④
replied
【单选题】
It’s no use just telling me to do it. Suggest some ____ ways to do it.
①
positive
②
belief
③
attitudes
④
shapes
【单选题】
— Would you like to have some icecream?— _______________
①
I don’t know.
②
No，thanks.
③
I dont like it.
④
I like it.
【单选题】
Information and opinion gap exercises have to have
some content ___ talking about.
①
worthwhile
②
worthily
③
worth
④
worthy
随机题目
【单选题】
某宿舍的同学身高调查数据：170，171,172,173,174,175（cm）请问该宿舍的身高中位数是多少（）
①
172.5cm
②
171cm
③
170cm
④
175.5cm
【单选题】
若市场调查母体是由一些情况大体相同的比较复杂的群体组成，()，则采用分群随机抽样
①
群内差异大，群间差异大
②
群内差异大，群间差异小
③
群内差异小，群间差异小
④
群内差异小，群间差异大
【单选题】
下列哪一种说法正确（）
①
状态转移概率矩阵的每一行元素之和必为1
②
状态转移概率矩阵的每一列元素之差必为2
③
状态转移概率矩阵的主对角线元素之和必为2
④
状态转移概率矩阵的副对角线元素之差必为1
【单选题】
下列哪一种说法正确（）
①
状态转移概率矩阵的每一行元素之和必为1
②
状态转移概率矩阵的每一列元素之和必为1
③
状态转移概率矩阵的主对角线元素之和必为1
④
状态转移概率矩阵的副对角线元素之和必为1
【单选题】
将决策问题分为确定型决策和非确定情况下的决策的依据是（）
①
对未来可能情况的了解判断程度
②
对现有情况的了解判断程度
③
对过去情况的了解判断程度
④
对过去和现在情况的了解判断程度