【简答题】今有一画线实验,标准线分别为5cm及10cm,实验结果5cm组的误差平均数为1.3cm,标准差为0.7cm,10cm组的误差平均数为4.3cm,标准差为1.2cm,请问用什么方法比较其离散程度的大小?并具体比较之。
【简答题】Does people choose a product only for its quality? why?
【多选题】Choose TWO letters. A-E For which TWO reasons does the speaker say people give up going to the gym?
C.
too much effort required
E.
feeling less successful than others
【单选题】Don’t get stuck defending an unreasonable position just for the sake of not losing face. Be prepared to accept that you may have been wrong. Never tackle sensitive matters over the phone or by email. ...
A.
You can’t see the gestures or facial expressions of the other person.
B.
Your intonation provides warning signs.
C.
You lose face if you defend your position over the phone.
D.
It may take a longer time to talk over the phone.
【简答题】观看慕课 2. 5 language points 部分 完成问题 1 - 7 Fill in the blanks with the words or phrases given below. Change the form where necessary. major in , in succession , be bound to , stand up for , speculate abo...
【简答题】根据下列图表,回答问题。 (1)该图中,A为______ ,B为________ ,C为_______ 。 (2)该图示为____ 肽化合物,有_______ 个肽键。 (3)该化合物由________ 个氨基酸分子失去______ 分子水而成,这种反应叫________。 (4)图中R、R'、R''表示氨基酸种类不同,是因为R基的_________ 不同。
【简答题】如果现在你不能勇于面对自己的错误,那么将来有可能会重蹈覆辙。 If you can’t face up to your mistake now, you it in the future.
【简答题】今有一画线实验,标准线分别为5厘米及10厘米,实验结果5厘米组的误差平均数为1.3厘米,标准差为0.7厘米,10厘米组的误差平均数为4.3厘米,标准差为1.2厘米,请问用什么方法比较其离散程度的大小?并具体比较之。
【简答题】根据Text A Unit 3内容填写: A. People can learn to ease stress and regain control quite quickly. B. It is important to discover the causes of poor lifestyles. C. People like metals will snap when the level o...