问题
判断题
切削机床的机身要求尺寸稳定性很高，所以焊接机身必须消除残余应力。( )
答案
参考答案：对
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切削机床的机身要求尺寸稳定性很高，所以焊接机身必须消除残余应力。( )
参考答案：对
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| It is interesting to visit another country, but there are sometimes problems when we don't know the 1 very well. It may be 2 to talk with the people there. We may not know how to use the telephone in the country we are visiting. We may not know how to buy the 3 we need. In a 4 country we might not know where to eat or what to order in a 5 . It is not easy to decide how 6 to tip (给小费) waiters or taxi drivers. When we need help, we might not know how to ask for help. It is not pleasant to have an experience 7 that. 8 a short time, however, we learn what to do and what to 9 .We learn to enjoy life in another country, and then we may be 10 to leave. | ||||
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