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问题
判断题
折算焦比的计算就是把所炼品种的生铁折算成炼钢生铁后,按炼钢生铁计算的焦比。
答案
参考答案:
对
填空题
根据图片完成句子。
Mr Smith is _____ the _____.
He'll be home at _____ o'clock.
Jim's father works in the ______.
He'll be home at _____ o'clock.
Mary is in the ______.
She'll be home at _____ o'clock.
Ann is on the train.
She'll be home at _____ _____ _____.
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单项选择题 A1型题
毒性最大的是()
A.苯扎溴铵
B.平平加O
C.西土马哥
D.阿洛索OT
E.吐温60
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