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【单选题】
应用铁剂治疗缺铁性贫血的最有效指征是( )A.
红细胞数量上升
B.
血红蛋白量上升
C.
网织红细胞上升
D.
血清铁上升
E.
红细胞中心淡染区缩小
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【单选题】With only about 1,000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species. That's a move similar to what a Texas A&M University researcher has bee...
A.
implant embryo into a host animals
B.
salute the Chinese efforts in saving pandas
C.
save endangered animals from extinction
D.
introduce a new species
【简答题】The is only about 1% of the retina, but the brain’s visual cortex devotes about 50% of its area to input from the fovea.
【简答题】开采水平垂高受________和开采技术条件等多因素影响。
【单选题】According to paragraph 1, which of the following is true about Beowulf?.
A.
It is the only manuscript. from the Anglo-Saxon period.
B.
The original story was written in a German dialect.
C.
The author did not sign his name to the poem.
D.
It is one of several epics from the first century.
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