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【多选题】
关于病例对照研究的叙述,下列哪些是正确的A.
比较的是暴露与非暴露两组
B.
时间上是回顾性的,从“果”求“因”
C.
研究结果十分可靠,可用于验证病因
D.
研究可用成组比较,亦可以采用匹配比较
E.
常用于对工作假设的初步验证
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【单选题】----Can you tell me _________ ? ----They cost 200 yuan.
A.
how much cost these shoes
B.
how much these shoes cost
C.
how much do these shoes cost
D.
how much are these shoes cost
【简答题】_________ the cost, the hat doesn't suit me.
【单选题】This interesting book only ______ me ten yuan and I _______ ten month reading it.
A.
cost, spend
B.
cost, spent
C.
spends, cost
D.
spent, costs
【单选题】The main idea of the article is that ______.
A.
a visit to a doctor's office may cost as much as $ 15 to $ 50 in U. S.
B.
the cost of medical care is the main reason for the high costs in the U. S.
C.
medical care in the U. S. costs a lot of money because doctors want to be rich
D.
the high cost of tuition in medical schools is one reason for the high cost of medical care in the U. S.
【单选题】There was a______ growth of the light industries during the war.
A.
considerable
B.
considering
C.
considerate
D.
considered
【判断题】Thomas More ,he could find the ideological means.for realizing his wishes .
A.
正确
B.
错误
【单选题】____ the temperature might drop, coal was prepared for warming.
A.
To consider
B.
Considered
C.
Considering
D.
To be considered
【判断题】Thomas More ,he could find the ideological means.for realizing his wishes .
A.
正确
B.
错误
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