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【判断题】
有甲乙两个平行班某次考试成绩的平均分相同,甲班成绩的标准差比大,说明甲班的成绩相对来说更集中一些。A.
正确
B.
错误
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举一反三
【单选题】—Are these doctors and nurses tired, Mr. Smith? —Yes. ________. They have been operating on the patient for at least 10 hours.
A.
They’re exhausted!
B.
You must be joking!
C.
I’m not surprised!
D.
They are really tired of it!
【简答题】You have been hospitalized for days and have been well attended to by both the doctors and the nurses. You feel that you need to thank them. Write a letter to them to 1. express your thanks; 2. tell t...
【简答题】Directions:Translating the underlined part of the sentences into Chinese. Nothing can be done unless we are given more information about the situation.
【简答题】The more united we Chinese people are, the _________________(powerful)the country is.
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