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【单选题】
对称槽型舱壁的特点有:1、所占舱容较大;2、在同等受力情况下可节省材料;3、无扶强材和肘板等构件;4、增加了工艺装配和焊接工作量;5、便于清舱,适用于油船和杂货船;6、竖向布置,抵抗横向压力较好
A.
①、②、③、⑥
B.
①、②、③
C.
①、②、③、⑤
D.
①、②、③、⑥、⑤
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皮皮学刷刷变学霸
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与酶的底物竞争酶的辅基
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You look so smart in the imperial gown.
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查看完整题目与答案
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查看完整题目与答案
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与酶的底物竞争激活剂
B.
与酶的底物竞争酶的活性中心
C.
与酶的底物竞争酶的辅基
D.
与酶的底物竞争酶的必需基团
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【单选题】Jack:Hello? Can I speak to Mr. Smith? Gina: I am sorry, but he ’ s out now. ____________
A.
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Let me check his schedule.
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查看完整题目与答案
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print
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order
查看完整题目与答案