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【单选题】
下列关于某学术机构的糖尿病发病率和患病率的说法中,错误的是A.
发病率的公式中，分子今年新发的糖尿病病例数
B.
患病率的公式中，分子今年体检确诊的所有糖尿病病人的数目
C.
两个率的分母均采用该机构今年的年平均人口数
D.
患病率是衡量疾病发生情况的动态指标
E.
可能会出现发病率和患病率相等的情况
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【单选题】Assume Beth's friends want to take her to a movie or a play for her birthday. Beth chooses to attend the play. We know that:
A.
Beth has made an irrational decision.
B.
not seeing the movie is Beth's opportunity cost of attending the play.
C.
Beth did not make a decision at the margin.
D.
seeing the play did not cost Beth anything since she did not have to pay for the ticket.
【多选题】Beth: Did you hear that Ron was in the hospital? Mimi: Oh, really?( 56 ) with him? Beth: He's got a very high temperature. I guess it may be cholera (霍乱). Mimi: Cholera! How in the world did( 57 ) ? B...
A.
it come
B.
I hope so
C.
he get that
D.
was sick
E.
What’ s the matter
F.
What happened
G.
Has he been sick
H.
went to see the doctor
【简答题】Which policies pay the full price of replacing possessions?
【单选题】Beth _______ her coat with redbuttons on it at the Lost and Found.
A.
proved
B.
claimed
C.
identified
D.
sorted
【简答题】听下面一段材料，回答1-3题。 1. Who is Ken? [ ] A. Beth's boss. B. Beth's boyfriend. C. Beth's father 2. What did Beth do last night? [ ] A. She went to a bar with her brother. B. She watched TV with her p...
【简答题】Do you want a sleeping beth ticket?
【单选题】Beth's friends will take her to the movie Gladiator or the play Rent for her birthday. Beth chooses to attend the play. We know that:
A.
Beth has made an irrational decision.
B.
not seeing Galdiator is Beth's opportunity cost of attending Rent.
C.
Beth did not make a decision at the margin.
D.
seeing Rent did not cost Beth anything since she did not have to pay for the ticket
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