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【单选题】
下列以果皮入药的中药是A.
枳实
B.
枳壳
C.
青果
D.
陈皮
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【简答题】阅读理解。 Tokyo may be one of those places that you love and hate at the same time. In Tokyo, there are always too many people in the places where I want to go. There are also too many cars. Tokyo drivers...
【简答题】阅读理解 Tokyo, the capital of Japan, is one of the largest cities in the world. It is also one of the world's most modern cities. Twice last century, the city was destroyed and rebuilt. In 1823 a major...
【简答题】公称尺寸≤500 mm时,标准公差分为 个等级;公称尺寸>500~3150 mm时,标准公差分为 个等级。
【简答题】正常人尿中可出现（ ）
【单选题】Tokyo, the capital of Japan, is one of the largest cities in the world. It is also one of the world's most modern(现代化的)cities. Twice this century, the city was destroyed and rebuilt. In 1923 a major e...
A.
A historic city.
B.
A world famous seaport.
C.
A highly modernized city.
D.
A most attractive city for tourists.
【单选题】下列有关公差等级的论述中，正确的有( )。
A.
公差等级高，则公差带宽
B.
标准规定，标准公差分为18级
C.
公差等级的高低，影响公差带的大小，决定配合的精度
D.
孔、轴相配合，均为同级配合
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