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搜题
【单选题】
耙斗机距工作面距离多少米()。A.
5-20米
B.
6-20米
C.
6-30米
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Identify the sentence type of the following sentence.For Marx, work had become a passion, and he was so absorbed in it that he often forgot his meals.
A.
compound-complex sentence
B.
complex sentence
C.
compound sentence
D.
simple sentence
【简答题】From then until he left that prison, his concentration was ______ reading. He was so absorbed in it. (Para. 8)
【单选题】Identify the sentence type of the following sentence.For Marx, work had become a passion, and he was so absorbed in it that he often forgot his meals.
A.
compound-complex sentence
B.
compound sentence
C.
complex sentence
D.
simple sentence
【简答题】He was so absorbed in observing the_______of the tower in the water that he didn't catch what I said. (reflect)
【多选题】安全科学原理研究的主要途径有哪些?
A.
从已经发生的事故中研究归纳安全科学原理
B.
从风险大小分析过程中研究归纳安全科学原理
C.
从系统确保安全过程中研究归纳安全科学原理
D.
以上三者的联合运用
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