问题
单项选择题 A1/A2型题
关于白血病的特征，下列错误的是（）。
A.白血病细胞可进入周围血液中
B.白细胞有明显的质和量异常
C.白血病细胞浸润骨髓、肝、脾和淋巴结
D.白血病细胞不侵犯中枢神经系统
E.白血病细胞常有染色体核型改变
答案
参考答案：D
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关于白血病的特征，下列错误的是（）。
A.白血病细胞可进入周围血液中
B.白细胞有明显的质和量异常
C.白血病细胞浸润骨髓、肝、脾和淋巴结
D.白血病细胞不侵犯中枢神经系统
E.白血病细胞常有染色体核型改变
参考答案：D
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| December 21st is my grandma's birthday. I'll go back to my hometown 1 my parents. Yesterday evening our family 2 the presents for my grandma. " 3 can we buy for my grandma's birthday?" I asked. "We can buy her a big suit," said my mother. "My sister 4 me yesterday. She said she would buy clothes for my mother," said Father. "We can buy her a big 5 and some vegetables." I said. "My brother, your uncle, told me he would prepare the birthday 6 ." my father said to me. "Can we buy something 7 ?" asked my father. We thought 8 . At last I shouted, "I know. We can buy 9 some Wahaha!" "Wahaha?" asked my father. "Why?" "Grandma is 10 . She lost some of her teeth. If we buy her some Wahaha, she will drink it and get all the calcium (钙) she needs." | ||||
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