【单选题】【消耗次数：1】
常见楼梯的坡度范围为（ ）
①
30～60
②
20～45
③
45～60
④
30～45
参考答案：
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相关题目
【单选题】
已知A、B、C三点坐标分别为（10、20、30）（20、40、60）、（30、60、90），则A、B、C三点______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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表示一个平面
②
Normal
0
7.8 磅
0
2
false
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false
EN-US
ZH-CN
X-NONE
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font-size:10.5pt;
mso-bidi-font-size:11.0pt;
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mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
不能表示一个平面
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
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mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
表示一个特殊位置平面
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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mso-style-parent:"";
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mso-para-margin:0cm;
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mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
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mso-hansi-theme-font:minor-latin;
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无法判断
【单选题】
45．水丸的制备工艺流程为
①
原料的准备、起模、泛制成型、盖面、干燥、选丸、包衣、打光
②
原料的准备、起模、泛制成型、盖面、选丸、干燥、包衣、打光
③
原料的准备、起模、泛制成型、干燥、盖面、选丸、包衣、打光
④
原料的准备、起模、泛制成型、干燥、选丸、盖面、包衣、打光
⑤
原料的准备、起模、泛制成型、干燥、包衣、选丸、盖面、打光
【单选题】
A点坐标为（10、20、30），B点坐标为（30、20、30）则AB距离为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-tstyle-rowband-size:0;
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正垂线
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
侧垂线
③
Normal
0
7.8 磅
0
2
false
false
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ZH-CN
X-NONE
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正平线
④
Normal
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7.8 磅
0
2
false
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ZH-CN
X-NONE
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铅垂线
随机题目
【单选题】
法约尔提出的管理五项职能或要素是（）。
①
计划、组织、决策、协调和控制
②
计划、组织、决策、领导和控制
③
计划、组织、指挥、协调和控制
④
计划、组织、激励、协调和控制
【单选题】
目标的确定要建立在对企业内外环境进行充分分析的基础上，并通过一定的程序加以确定，既要保证目标的科学性又要保证其可行性。这就是确定目标的（）原则。
①
现实性
②
可行性
③
程序性
④
权变性