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【多选题】
和传统国际贸易相比,跨境电子商务呈现出传统国际贸易所不具备的以下特征A.
全球性
B.
无形性
C.
匿名性
D.
及时性
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反馈参考答案：
举一反三
【单选题】24，In this passage，doctors think that teenagers should eat more ____．
A.
food with no vitamins
B.
fat and sugar
C.
vegetables and fruits
D.
salt and oil
【多选题】已知正态总体标准差为10，样本量n=25，置信水平为95%，Z=1.96，样本均值=105.36。则以下正确的有（）
A.
样本均值的标准差为10
B.
样本均值的标准差为2
C.
样本均值的置信区间为（101.44，109.28）
D.
总体均值的置信区间为（101.44，109.28）
【简答题】()看就懂了。
【单选题】Doctors sometimes choose to lie because they think ______.
A.
they have the right of secrecy
B.
they lie just for the patient' s sake, not for self-serving ones
C.
they like to lie
D.
they want to know how the patient reply after such lies
【单选题】A team of doctors is _____ her for the disease, but they don't think that she will be able to recover.
A.
detecting
B.
treating
C.
determining
D.
inheriting
【单选题】What does Dr. Smith think about doctors' ability to communicate bad news?
A.
Some of the doctors are born with the ability.
B.
Most doctors can develop the ability naturally by i0teracting with patients.
C.
Some doctors don't deem this ability important.
D.
Doctors can acquire the ability over time by following good models and practicing.
【简答题】 简述负惩罚的几种类型?
【简答题】用所给词语填空: 为的是 顺便 随便 原来 怪不得 不过 确实 为了 今天的课文一点儿也不难,( )看看就懂了。
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