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【单选题】
xt0506141欲进行苯系物的定量分析,宜采用( )。
A.
原子吸收光谱法
B.
发射光谱法
C.
气相色谱法
D.
紫外光谱法
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举一反三
【单选题】在声音的数字化过程中,量化是用来对( )划分等级,该过程会产生量化误差。
A.
样本周期
B.
样本连续性
C.
样本振幅
D.
以上都是
查看完整题目与答案
【简答题】【图片】【图片】针对表1给定的六个算法的时间复杂度T(n),从表2中选择关于T(n)的正确的递推方程,从表3中选择正确的解,并将解所对应的标号1,2,3,4,5按照算法一、二、三、四、五、六的顺序填入括号内(填写时6个数字之间不要加任何符号).
查看完整题目与答案
【多选题】溢洪道事故的主要原因有( )。
A.
溢洪道泄流能力不足
B.
脉动压力、空化、空蚀
C.
闸门启闭设备问题
D.
护坡出现破坏
E.
岸坡滑坡堵塞
查看完整题目与答案
【单选题】— This is a really lively party. There is a great atmosphere, isn’t there ? —______. The hosts know how to host a party.
A.
Don’t worry
B.
It all depends
C.
No, there isn’t
D.
Yes, indeed
查看完整题目与答案
【单选题】— This is a really lively party. There’s a great atmosphere, isn’t there? — ________ The hosts know how to host a party.
A.
Don't worry
B.
Yes, indeed
C.
No, there’s isn’t
D.
It all depends
查看完整题目与答案
【单选题】If you don't know the ______ there, you'd better follow the hosts. [ ]
A.
customs
B.
habits
C.
advice
D.
methods
查看完整题目与答案
【单选题】—This is really lively party.There's a great atmosphere,isn't there? —________.The hosts know how to host a party.(2013·山东,32)
A.
Don't worry
B.
Yes,indeed
C.
No,there isn't
D.
It all depends
查看完整题目与答案
【单选题】—This is a really lively party.There’s a great atmosphere,isn’t there? —________.The hosts know how to host a party. (2013·山东,32)
A.
Don’t worry
B.
Yes,indeed
C.
No,there isn’t
D.
It all depends
查看完整题目与答案
【单选题】Hosts are very often troubled about how to deal with the guests who ______.
A.
don't leave
B.
don't come
C.
smoke in your sitting room
D.
stay in the same bedroom
查看完整题目与答案
【单选题】从5位同学中选派4位同学在星期五、星期六、星期日参加公益活动,每人一天,要求星期五有2人参加,星期六、星期日各有1人参加,则不同的选派方法共有( )。
A.
40种
B.
60种
C.
100种
D.
120种
E.
180种
查看完整题目与答案
相关题目:
【单选题】在声音的数字化过程中,量化是用来对( )划分等级,该过程会产生量化误差。
A.
样本周期
B.
样本连续性
C.
样本振幅
D.
以上都是
查看完整题目与答案
【简答题】【图片】【图片】针对表1给定的六个算法的时间复杂度T(n),从表2中选择关于T(n)的正确的递推方程,从表3中选择正确的解,并将解所对应的标号1,2,3,4,5按照算法一、二、三、四、五、六的顺序填入括号内(填写时6个数字之间不要加任何符号).
查看完整题目与答案
【多选题】溢洪道事故的主要原因有( )。
A.
溢洪道泄流能力不足
B.
脉动压力、空化、空蚀
C.
闸门启闭设备问题
D.
护坡出现破坏
E.
岸坡滑坡堵塞
查看完整题目与答案
【单选题】— This is a really lively party. There is a great atmosphere, isn’t there ? —______. The hosts know how to host a party.
A.
Don’t worry
B.
It all depends
C.
No, there isn’t
D.
Yes, indeed
查看完整题目与答案
【单选题】— This is a really lively party. There’s a great atmosphere, isn’t there? — ________ The hosts know how to host a party.
A.
Don't worry
B.
Yes, indeed
C.
No, there’s isn’t
D.
It all depends
查看完整题目与答案
【单选题】If you don't know the ______ there, you'd better follow the hosts. [ ]
A.
customs
B.
habits
C.
advice
D.
methods
查看完整题目与答案
【单选题】—This is really lively party.There's a great atmosphere,isn't there? —________.The hosts know how to host a party.(2013·山东,32)
A.
Don't worry
B.
Yes,indeed
C.
No,there isn't
D.
It all depends
查看完整题目与答案
【单选题】—This is a really lively party.There’s a great atmosphere,isn’t there? —________.The hosts know how to host a party. (2013·山东,32)
A.
Don’t worry
B.
Yes,indeed
C.
No,there isn’t
D.
It all depends
查看完整题目与答案
【单选题】Hosts are very often troubled about how to deal with the guests who ______.
A.
don't leave
B.
don't come
C.
smoke in your sitting room
D.
stay in the same bedroom
查看完整题目与答案
【单选题】从5位同学中选派4位同学在星期五、星期六、星期日参加公益活动,每人一天,要求星期五有2人参加,星期六、星期日各有1人参加,则不同的选派方法共有( )。
A.
40种
B.
60种
C.
100种
D.
120种
E.
180种
查看完整题目与答案