问题
多项选择题
关于装配图的视图选择要求，叙述正确的有（）。
A.投影关系正确，图样画法符合行业习惯
B.工作原理、零件之间的连接及装配关系要表示完整
C.图形清晰
D.视图表达要简洁，便于绘制和尺寸标注
答案
参考答案：B, C, D
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关于装配图的视图选择要求，叙述正确的有（）。
A.投影关系正确，图样画法符合行业习惯
B.工作原理、零件之间的连接及装配关系要表示完整
C.图形清晰
D.视图表达要简洁，便于绘制和尺寸标注
参考答案：B, C, D
Last night, when I was driving back home, I noticed a hitchhiker(搭便车的人) who was having no luck getting a ride. I rolled down my__ 21 and signed to the man to my car. I asked him where he was 22 and he told me he needed a 23 to his doctor’s office which would close in 15 minutes. I told him to 24 and he gratefully did so. 25 he got in he told me that he was a 26 and went out to sea for weeks at a time. He took medicine for his nerves and 27 to get another prescription(处方) before he left on the boat. He said that he had prayed (祈祷) 28 would stop for him so he could be there before the 29 office closed. With some 30 driving we managed to make it there in about 10 31 . I then asked him how he 32 on getting back home and he said he could walk. “I’ll patiently 33 for you and bring you back,” I told him. He 34 me and said he should only be about 15 minutes. Afterwards he got back in my 35 and tried his hardest to pay me back: offering me dinner, gas money, even offering to ship me 40 lbs of scallops (海扇贝)! I 36 refused, gave him a smile card and asked him to help someone else the next time he had a 37 . I drove him back to where I had picked him up and 38 one more “thank you” he was on his way. I feel that the world 39 offers us what we need. In the man’s 40 it was a ride, in mine the chance to help someone else.
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