【单选题】【消耗次数：1】
-Weve worked for a long time, what about stopping a while to have a rest?-_____________________.
①
I like it.
②
You are wonderful.
③
Thats a good idea.
④
ok
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相关题目
【单选题】
-We’ve worked for a long time, what about stopping to have a rest? -_____________________.
①
A. I like it.
②
A. You are wonderful.
③
A. That’s a good idea.
④
very good
【单选题】
Thats pretty good that you get up and go running, but I ______ like running early in the morning since I’ve got to prepare breakfast for my family.
①
have a good time
②
have a hard time
③
have time
④
have much time
【单选题】
A: What do you have in mind? B: Im thinking about jewelry or something valuable. A: Weve got beautiful jewelry here. If youre interested, [填空].
①
I can show you
②
you can see it
③
you should buy it
④
Ill get it
【单选题】
Tom: It’s the most delicious fruit I have had a long time.
①
I’m so glad you like it.
②
You are not hungry now.
③
I like eating this fruit, too.
④
You should like it.
【单选题】
--I went to the beach and got plenty of rest. --_______. You looked tired last time I saw you.
①
：I hope so
②
：Really
③
：Im glad you did
④
：The sound was nice
【单选题】
how long can I stay in the mountain ?
( ) you like.
①
As far as
②
As well as
③
As soon as
④
As long as
随机题目
【单选题】
某企业连续生产其产品，为了检查产品的质量，在20小时内每隔30分钟取出下一分钟的产品进行全部检查，这种方法是（ ）。
①
简单随机抽样
②
整群抽样
③
类型抽样
④
等距抽样
【单选题】
抽样调查的主要目的是（ ）。
①
了解现象发展的具体过程和变化趋势
②
对调查单位作深入具体的研究
③
用样本指标对总体综合数量特征作出具有一定可靠程度的推断估计
④
为计划和决策提供详细生动的资料
【多选题】
下列有关抽样误差的叙述中，正确的有（ ）。
①
系统误差是不可控制的
②
随机误差是不可避免的
③
代表性误差越小则样本代表性越高
④
样本数目越少误差越小
⑤
误差大小受不同抽样组织方式的影响
【多选题】
若计算抽样平均误差，在总体方差未知时，解决方法有（ ）。
①
用样本方差代替
②
用估计资料代替
③
用过去调查的资料代替
④
用小规模试验性调查资料代替
⑤
将其视作1