题目内容

同一公差等级，基本尺寸越大，公差带越小。（）

A. 对
B. 错

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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。（）

A. 对
B. 错

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.( )

4.1 Cloze: Complete the passage with the appropriate words or expressions from the box. Change the form when necessary.option, stable, anxiety, breed, adolescence, parenthood, internship, fascinating, drift along,head for, try out, carve out, put aside, figure out, emerging1, the period between childhood and adulthood, seems to have stretched out, lasting up to 25 or beyond. Instead of adulthood arriving all at once we find it gradually2 over a much longer period as members of this new 3of in-betweeners try to4 what to do with their lives. They are likely to want to5 various 6, sampling a variety of different jobs. This often leaves their parents feeling some 7as they fear their children may be just8 rather than settling in a(n) 9job. As for taking on the responsibilities of 10themselves, young people typically11 that12 until much later in life than was the case in the past.

磁电式传感器和电感式传感器均基于__，其直接测量参数分别为和_。