题目内容

图样中所标注的尺寸( )

A. 是所示机件的最后完工尺寸
B. 是绘制图样的尺寸,与比例有关
C. 以毫米为单位时,必须标注计量单位的代号或名称
D. 无法确定机件的大小

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尺寸标注时,R表示( ),Φ表示( )。

标注水平尺寸时,尺寸数字的字头方向应(),写在尺寸线的();标注垂直尺寸时,尺寸数字的字头应(),写在尺寸线的()。

Listen again and fill in the blanksAccountant: Hello,Tony. What can I do for you?Client: Well, I 1______ _______ a new air conditioner. Is it an expense or a depreciation asset?Accountant: An air conditioner? That's a depreciable asset.Client: Ok. So, I need to 2_____ ______ depreciation to keep my books 3________.Accountant: Right. Which depreciation schedule do you want to use?Client: I don't know. I want something simple and easy.Accountant:4______ _______ using the straight-line method? That's the 5______.Client: That ____ _____ to me.

Listen and judge true(T)or false (F)1. _____ The man recently sold an air conditioner.

A. 对
B. 错

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