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听下面一段材料,回答第1-3题。 1. What is very useful for character training? A. sports and study. B. Sports and games. C. Literature and sports. 2. What is the speaker’s opinion about leaning in books? A. A has less effect on a child’s character than leaning by experience. B. It has more effect on a child’s charcter than leaning by experience. C. It has the same effect on a child’s character as leaning by experience. 3. How can a boy benefit from playing in a football team? A. He learns to help others imprve skills. B. He leans to try his best to win. C. He learns to work for his team and not for himself.
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举一反三
【判断题】[判断题] 钢芯铝绞线耐化学腐蚀性能好,被广泛使用于沿海地区。
A.
正确
B.
错误
【单选题】下列利用卡尔文循环固定二氧化碳的微生物是( )
A.
酵母菌
B.
大肠杆菌
C.
氧化硫硫杆菌
D.
枯草芽孢杆菌
【单选题】下列微生物中,能利用卡尔文循环固定CO2是( )。
A.
酵母菌
B.
氧化硫硫杆菌
C.
大肠杆菌
D.
枯草杆菌
【单选题】— ______________ are you? — I'm fine. [     ]
A.
How old
B.
How
C.
How many
【简答题】We all know that diesel engines, in principle, work in the same way as gasoline engines do. Both kinds of engines are internal combustion engines, but each of them has its characteristic features.Now ...
【单选题】大学生要保持对理想信念的激情和执着,将实现( )奋斗目标、实现中华民族伟大复兴中国梦的历史使命内化为担当的自觉,外化为实际的行动,从容自信、坚定自励。
A.
全面小康社会
B.
社会主义现代化
C.
共产主义
D.
“两个一百年”
【简答题】We all know that diesel engines, in principle, work in the same way as gasoline engines do. Both kinds of engines are internal combustion engines, but each of them has its characteristic features.Now ...
【单选题】利用卡尔文循环固定二氧化碳的微生物是( )。
A.
酵母菌
B.
大肠杆菌
C.
氧化硫硫杆菌
D.
枝草杆菌
【简答题】wade through go a long way toward miss the point bear out ... out of 1)Markets are like pumps that __________ money __________ the pocket of the poorly informed majority and p...
【简答题】关联规则分析是数据挖掘中较早引起兴趣的一种数据分析方法。关联规则反映一个事物与其它事物之间的相互依存性和关联性。如果两个事物或者多个事物之间存在一定的关联关系,那么其中一个事物就能够通过其他事物预测到。 关联规则分析的两个重要度量指标:支持度和可信度。其中,支持度:表示 X=>Y 在 T 交易数据中同时包含 X 和 Y 的百分比;可信度是指既包含了 X 又包含了 Y 的事务数量占所有包含了 X 的...
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