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问题 判断题

对于看起来可归人两个或两个以上项目的商品，HS归类总规则规定了三个归类原则，HS采用详列商品加工方式的注释，使归类有了参照物，以便用比照方法进行商品归类。 ( )

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单项选择题

The human nose is an underrated tool. Humans are often thought to be insensitive smellers compared with animals, (51) this is largely because, unlike animals, we stand upright. This means that our noses are (52) to perceiving those smells which float through the air, missing the majority of smells which stick to surfaces. In fact, (53) , we are extremely sensitive to smells, even if we do not generally realize it. Our noses are capable of (54) human smells when these are diluted to far below one part in one million.

Strangely, some people find that they can smell one type of flower but not another, (55) others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate (56) smell receptors in the nose. These receptors are the cells which sense smells and send (57) to the brain. However, it has been found that even people insensitive to a certain smell at first can suddenly become sensitive to it when (58) to it often enough.

The explanation for insensitivity to smell seems to be that the brain finds it (59) to keep all smell receptors working all the time but can (60) new receptors if necessary.

59().

A.ineffective 

B.incompetent 

C.inefficient 

D.insufficient
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判断题

纳税人停业期满未按期复业又不申请延长停业的，税务机关应当视为已恢复营业，实施正常的税收征收管理。（）
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