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【单选题】
足月儿发生生理性贫血的年龄段:A.
2-3 月龄
B.
8-10 月龄
C.
10-12 月龄
D.
新生儿期
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举一反三
【单选题】It can be inferred from Paragraph Five that the best funding comes from______.
A.
finance from governments
B.
company's sponsor
C.
organizations themselves
D.
national libraries
【单选题】A strike in the mining industry is ______ to bring a shortage of coal in the near future.
A.
causing
B.
threatening
C.
resulting
D.
proposing
【单选题】From where could boys and girls learn about sexual problems in America?
A.
From parents.
B.
From PE classes.
C.
From health classes.
D.
All of the above.
【简答题】If people undergo______from their emotions, thoughts or behavior, they may be suffering from mental disease.
【多选题】Coal mining accidents include _____.
A.
gas explosion
B.
coal-dust explosion
C.
carbon dioxide releasing
D.
mine flood
E.
mine fire hazard
F.
roof accidents
【单选题】The following are the reasons why British coal mining is today called a"sick"industry except（）
A.
Britain has used up almost all coal deposits
B.
the demand for British coal has declined
C.
petroleum,water power,and electric power are replacing coal for many purposes
D.
the old British mines are narrow and deep,making it difficult to sue machines fro mining.
【简答题】什么是数据？什么是数据库？
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