【单选题】【消耗次数：1】
I followed her _______ but I still couldnt work out how to use the sewing machine.
①
description
②
introduction
③
instructions
④
comments
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相关题目
【单选题】
I don’t think you can work out the maths problem ___ her help.
①
since
②
unless
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【单选题】
I haven’t seen her for years, but I could still ____ her voice on the phone.
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No matter how ______ the problem is , we will work it out.
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C.challenging
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If I have any comments to make, I’ll write them in the ___margin___ of the book I’m reading
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I remember her face but I cannot___ where I met her.
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随机题目
【单选题】
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属杀菌剂
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影响胞浆膜的通透性
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对四环素的抗菌作用机制是
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影响胞浆膜的通透性
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与核糖体30s亚基结合，抑制蛋白质的合成
③
与核糖体50s亚基结合，抑制移位酶的活性
④
与核糖体50s亚基结合，抑制肽酰基转移酶的活性
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特异性抑制依赖于DNA的RNA多聚酶活性