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【判断题】
( )高炉冶炼的生铁含碳量一般为4%左右。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Why was the author disappointed at his student's answer "It was, like, whoa"?
A.
Because he was expecting his student to give him a longer answer.
B.
Because his student had trouble describing the civilization of Greece and the glory of Roman architecture.
C.
Both of the above-mentioned.
D.
None of the above-mention.
【单选题】Where did the man find his dictionary?
A.
Under his bed
B.
In his desk.
C.
He's not sure.
【单选题】大脑中动脉皮层支闭塞引起对侧偏瘫的特点是:
A.
A、 不伴脑神经瘫
B.
不伴脑神经瘫
C.
B、 偏瘫以下肢为重
D.
偏瘫以下肢为重
E.
C、 均等性轻偏瘫
F.
均等性轻偏瘫
G.
D、 偏瘫以上肢为重
H.
偏瘫以上肢为重
I.
不伴脑神经瘫
J.
偏瘫以下肢为重 K. 均等性轻偏瘫 L. 偏瘫以上肢为重
【单选题】当我们把鸡蛋敲破,使蛋清和蛋黄都流到碗里,会发现卵黄上有一个小白点,卵黄两端各有一条白色的带子,他们分别是( )
A.
细胞核 、系带
B.
卵细胞、卵白
C.
卵细胞、系带
D.
胚盘、系带
【简答题】代号为“62205”的滚动轴承,其轴承内径为____mm。
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