【判断题】【消耗次数：1】
32位增/减计数器（C200～C234） 共有35点，其中C200～C219（共20点）为通用型，C220～C234（共15点）为断电保持型。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
已知三点A（10、20、15）、B（10、0、30）、C（0、10、0），则在坐标面上的点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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A、B、C三点
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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B点
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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B、C两点
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
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C点
【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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mso-bidi-font-size:11.0pt;
font-family:等线;
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mso-fareast-font-family:等线;
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mso-hansi-theme-font:minor-latin;
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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
/* Style Definitions */
table.MsoNormalTable
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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-para-margin:0cm;
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mso-fareast-font-family:等线;
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mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
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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
/* Style Definitions */
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mso-style-parent:"";
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mso-para-margin:0cm;
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无法判断
【单选题】
已知四点A（10、20、30）、B（30、20、10）、C（10、20、10）、D（20、20、30），则对H面的重影点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
A与D，D点可见
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
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B与C，B点可见
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
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A与C，A点可见
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
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A与C，C点可见
【单选题】
设x为float型变量，y为double型变量，a为int型变量，b为long型变量， c为char型变量，则表达式x+y*a/x+b/y+c的值为( )类型。
①
int
②
long
③
double
④
char
【单选题】
据报道，近年发现了一种新的星际分子氰基辛炔，其结构式为：HC≡C—C≡C—C≡C—C≡C—C≡N
对该物质的判断正确的是
①
其分子中的原子都在一条直线上
②
不能使酸性KMnO4溶液褪色
③
不能发生加成反应
④
可由乙炔和含氮化合物加聚制得
随机题目
【单选题】
男，57岁，右大腿大隐静脉曲张6年，行大隐静脉切除术，术中见静脉腔内多个褐色物堵塞血管，与血管壁紧密相连，该褐色物最可能是
①
静脉内凝血块
②
静脉内血栓栓塞
③
静脉内血栓形成
④
静脉内瘤栓
【单选题】
女，50岁，临床表现：近两个月来消瘦．贫血．大便次数增多，并有黏液血便。病理活检肉眼所见：直肠部有一较深溃疡，溃疡边缘隆，底部明显出血．坏死，患者应诊断为
①
溃疡型直肠癌
②
肠阿米巴
③
肠伤寒溃疡形成
④
溃疡型肠结核