【单选题】【消耗次数：1】
人体循环中胆固醇体内生物合成（肝脏与外周组织）的比例为
①
20%-30%
②
30%-40%
③
50%-60%
④
70%-80%
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
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7.8 磅
0
2
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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
false
false
EN-US
ZH-CN
X-NONE
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mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
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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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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
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mso-para-margin:0cm;
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font-size:10.5pt;
mso-bidi-font-size:11.0pt;
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mso-ascii-font-family:等线;
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随机题目
【单选题】
有关水箱配管与附件阐述正确的是（ ）。
①
进水管上每个浮球阀前可不设阀门
②
出水管应设置在水箱的最低点
③
进出水管共用一条管道，出水短管上应设止回阀
④
泄水管上可不设阀门