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【判断题】
西汉时期的史学家是我国学术考察旅行的最早、最杰出的代表
A.
正确
B.
错误
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【简答题】根据句意 , 用括号中所给单词的适当形式填空。 1. He (study) many subjects at school . 2. Sometimes Steve ( swim) in the swimming pool. 3. The students ( have )a music lesson now.Listen!They ( sing ) a song . 4. Lisa (go) t...
【单选题】从原料、外购件投入生产起.到经检验合格办完入库T-续之前.存在各环节的零、部件都称为()
A.
原料
B.
外购件
C.
在制品
D.
半成品
【单选题】急性白血病贫血的主要原因( )
A.
出血
B.
无效性细胞生成
C.
红细胞寿命缩短
D.
红细胞成熟受干扰
E.
造血原料缺乏
【简答题】John is a famous writer now. But he said he was not a 1 student when he was young. He was often late for 2 and didn't like doing his homework. Sometimes, he slept in class while the teacher was...
【单选题】成熟的红细胞寿命为
A.
90天
B.
100天
C.
120天
D.
130天
【单选题】急性白血病患者发生贫血最主要的原因是
A.
红细胞寿命缩短
B.
无效性红细胞生成
C.
红细胞成熟受干扰
D.
造血原料缺乏
E.
出血
【判断题】成熟的红细胞寿命平均寿命为120天
A.
正确
B.
错误
【简答题】根据短文内容和首字母的提示,把所缺单词填写在短文后面的横线上。 Many students often 1. c______  about school. They might feel they have too 2. m_______ work to do sometimes, or think the rules are too 3. s_______. We must learn how ...
【单选题】成熟红细胞的寿命为
A.
60天
B.
70天
C.
80天
D.
100天
E.
120天
【简答题】根据短文内容和首字母提示,把所缺单词填写在短文中的横线上 Many students often c  l about school. They might feel they have too m  2 work to do sometimes, or think the rules are too s  3 . We must learn how to change these ' probl...
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