题目内容
极限偏差只能为正值。（ ）
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公差可以为正值、负值或为零。（ ）
同一公差等级，基本尺寸越大，公差带越小。（ ）
配合指公称尺寸相同的，互相结合的孔、轴公差带之间的关系。（ ）
Directions: replace the underlined part in each of the following sentences with a word from the box below. Write your answer in the brackets. Make changes or additions where necessary.option ease anticipate text identity appetite identify parenthood exceed anxiety1. There’s no doubt that this is a market full of potential, but only if you have a strong desire for risk. ( )2. We thought the concert in the park would be popular but we didn't expect so many people to turn up so early. ( )3. The research findings show that children normally feel a lot of worries about their first day at school. ( )4. I’m 25 years old and my mother still ends our conversations with “Make sure you send a message when you get home.”( )5. He said investigators were still trying to determine who the man was and couldn’t immediately provide details about the case. ( )6. The gunman in Wednesday’s attack has been recognized as Lee Giggs, an unemployed truck driver. ( )7. The motor retail business is now enjoying its strongest growth in five years, with its results going beyond market expectations.( )8.Regardless of salaries starting at about ￡30,000, none of the children see a job in the steel works as a career choice.( )
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