问题
单项选择题
急性白血病引起贫血最重要的原因是()
A.出血
B.红系增殖受白血病细胞干扰
C.无效红细胞形成
D.造血原料缺乏
E.红细胞寿命缩短
答案
参考答案:B
急性白血病引起贫血最重要的原因是()
A.出血
B.红系增殖受白血病细胞干扰
C.无效红细胞形成
D.造血原料缺乏
E.红细胞寿命缩短
参考答案:B
2009年6月,江苏省教育厅做出决定:严禁中小学利用暑假和双休日补课。引起了社会各界强烈的反响。请你根据下表提供的信息,用英语给某报社写一封信。
2、词数150左右。开头已写好,不计入总词数。 Dear editor: I’m writing to tell you about the different attitudes towards the newly decision announced. In June, 2009, the Education Department of Jiangsu Province made a decision that giving lessons during the summer vacation and weekends should be banned in middle and primary school. . |