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How are these parts of our body held together? They are held together by______. What is the function of bone marrow? Its func
How are these parts of our body held together? They are held together by______. What is the function of bone marrow? Its func
admin
2009-05-28
40
问题
How are these parts of our body held together?
They are held together by______.
What is the function of bone marrow?
Its function is to______.
选项
答案
make the white and red cells of blood
解析
从第二段第五句“It makes the red and white cells of blood.”可知,“制造血液需要的红血球和白血球”是骨髓的基本功能。
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本试题收录于:
大学英语三级A级题库大学英语三级分类
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大学英语三级A级
大学英语三级
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