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【简答题】
为研究学生物理成绩与数学成绩是否相关，某中学老师将一次考试中五名学生的数学、物理成绩记录如下表所示： 根据上表提供的数据，经检验物理成绩与数学成绩呈线性相关，且得到y关于x的线性回归方程 ，那么表中t的值为 .
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【单选题】听力原文：M: Do you mind if I ask you a question? W: I beg your pardon? Q: .What does the woman's answer mean? (14)
A.
Never mind.
B.
Pardon me.
C.
I like your question.
D.
1 didn't hear you.
【简答题】Sometimes liposuction patients may have to undergo more than one operation.
【多选题】Patients with AIDS may have the symptoms of ( ).
A.
feeling tired
B.
losing weight
C.
cough and fever
D.
diarrhea
E.
night sweats
F.
cold
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【单选题】Sometimes liposuction patients may have to undergo more than one operation.
A.
Right
B.
Wrong
C.
Not mentioned
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