题目内容

下列哪个属于最小实体尺寸?()。

A. 孔的最小极限尺寸
B. 轴的最大极限尺寸
C. 孔的极限尺寸
D. 轴的最小极限尺寸

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最大、最小实体要求适用于()要素。

A. 中心要素
B. 轮廓要素
C. 单一要素
D. 关联要素

在需要保证零件的强度和最小壁厚等场合应选用()原则。

A. 独立原则
B. 包容要求
C. 最小实体要求
D. 最大实体要求

Part I Introduction (Para. 1—2) What do we know about Hepburn?From this part, we know that Audrey Hepburn __1 audiences with starring roles in the film _2__, but the roles she most preferred 3_ were 4 mother and an UNICEF Goodwill _5___ .

Part II Main Body—Life story (Para. 3—14) How much do you know about the biography of Audrey Hepburn?What did Audrey suffer as a young girl? (Paras. 3&4)She suffered from the _1 , death, and destruction of war, as a result of which, Audrey was _2_ and placed in line to be sent to a work camp, with her family _3_ and two of heruncles taken _4__ and killed. But she did not give up on her hope. Instead, she _5_ all those challenges and never let her sadness _6___ her hope for a brighter future.