题目内容
在机件的视图中,当图形不能充分的表达平面时,可以用平面符号( )来表示。
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局部放大图可以画成视图和剖视图,它与被放大部分的图样画法无关。
当采用局部视图表示机件上某部分结构时,无论该结构是否对称,均可将局部视图配置在相应视图中的该结构附近。并用细点画线或细实线连接两图,且无需另行标注。
Compare each pair of words and complete the following sentences with the right one. Change the form if necessary.1 graduate, graduationI am a 1)___________ of Peking University.After 2) ___________, Nancy worked as a nurse.2 injured, injuryHe is badly 3) ___________ in the accident.All the passengers in the car escaped 4) ___________.3 desperate, desperation5) _______________ Housewives is a very interestingAmerican TV series.The boy was in 6) _______________ when he couldn’tfind his money.4 fulfill, fulfillingHe 7) ___________ his childhood dream of becoming alawyer.Susan found working abroad a very 8) ___________experience.
Complete the following sentences with proper prepositions or adverbs.1. I like swimming instead _________ skating.2. A lot of workers are afraid ________ losing their jobs.3. Who knows what will happen ___________ the future?4. She is strong-willed and never easily give ________.5. I was touched ___________ her words.
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