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【单选题】
房屋装修可能引发白血病。医院血液科一年多来的初步统计，来医院看白血病的孩子都表现出一个共同的特点，他们大多在发病前半年内，家里进行了房屋的豪华装修，使用的材料包括梅花墙面的油漆、铺地面用的大理石等豪华建材，这样的白血病患儿总数的90%。 以下哪项如果为真，最能加强上述结论？A.
白血病病人中孩子占的比例较好
B.
来医院看白血病的孩子家庭经济状况富裕
C.
除了装修对环境的污染，病毒也是引起白血病的主要因素
D.
来医院看白血病的孩子的年龄、父母的工作、体重、身高基本相同
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【简答题】高血压病的主要病理变化及其主要脏器的病理改变。
【单选题】--Is that Mr. Green? ---No, Mr. Green is an ___________ man. But this man is only about _________.
A.
80-year-old; 18 years old
B.
80-years-old;18 years old
C.
80-year-old;18-year-old
D.
80 years old;18-year-old
【简答题】完形填空。 Look! This is a picture of Mr. Green's family. In the 1 , we can see Mr. Green, Mrs. Green, their son Alan and their 2 Lucy. Mr. Green is sitting in a 3 . He is watching a TV show. He is a polic...
【单选题】Why does Mr. Green often travel with other people he knows well?
A.
Because he will have someone to talk with during the trip.
B.
Because traveling alone is dangerous.
C.
Because the expense can be reduced in this way.
D.
Because they have many similarities.
【简答题】Mr. Green often tells us the ________________(important) of study.
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