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在实际应用中，机器人轨迹路径中的安全位置Home点可以设置为机械原点。
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单项选择题
In some universities, up to 70 percent of students are doing paid work during term-time. Is this putting a burden on young people and detracts them from study? Or does it help them to improve their self-confidence?
According to the findings of a survey, students said term-time work did affect them, with 43 percent saying they produced poor quality assignments occasionally as a result of having to work. And 80 percent students of the 500 responding said that their paid work took the time available for reading.
However, the same research also showed that a part-time job could benefit under-graduates, giving them the ability to communicate, make presentations and work in teams. One quarter of students said that their job helped them use their time better. Students take part-time jobs for a number of reasons. Some do it to meet people and make friends, particularly if they are not living with roommates. Others, meanwhile, look for work as a way of gaining networking with an eye to their future career.
Some students even find that it can lead to a career. For example, students working for retail shops may be employed for up to 20 hours a week during term-time. The company will get to know the students well. As a result the undergraduates can find themselves promoted at the end of their first year. And by the time they graduate, they may have moved to a management job.
The important thing is that people should be able to reflect on their part-time job and decide what lessons they have learnt from it. When they can write down the different experiences, they have had and tell what they have learnt, it is really useful. John Miller, 22, worked during the entire four years. “It shows to employers that you are capable of doing more than one thing at a time.”
3. According to the writer, the important thing for doing part-time job is _____.
A、you must write down an article after doing the job
B、you can earn some extra money
C、you are able to speak clearly what you have learnt
D、you can meet people and make friends
单项选择题
大米产品要进行包装时，可利用螺旋输送机与气力输送装置输送进入称量包装机。
A、正确
B、错误
单项选择题
在资本主义私有制企业里，资产者付给他雇佣的员工的工资在本质上是（ ）。
A. 员工劳动的价值
B. 员工全部劳动的报酬
C. 员工劳动的价格
D. 员工出卖劳动力的价值或价格
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