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【单选题】
任意图形，若对某一对正交坐标轴的惯性积为零，则这一对坐标轴一定是该图形的 。A.
形心 轴
B.
对 称 轴
C.
主 惯 性 轴
D.
形心主 惯 性 轴
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列选项中，正确表述了认识客体的含义的是（ ）
A.
认识客体是主体实践和认识的对象
B.
认识客体是主体创造出来的对象
C.
认识客体是一切客观事物
D.
认识客体是整个外部自然界
【单选题】If you are a 2019/20 undergraduate student, and you don't what to cook on you own, which college can you choose nd how much do you need to pay weekly?
A.
Clifford Flat Ensuite room, ￡165
B.
James college, ￡176
C.
James college, ￡170
D.
Wentworth college, ￡176
【单选题】How much do you need to pay for a Cookie Platter on July 25?
A.
￥7.5
B.
￥15
C.
￥30
D.
￥50
【简答题】-I ran out of my money. Could you l____me some? -Sure. How much do you need?
【单选题】John's parents work in the hospital. They _____ doctors. [ ]
A.
all are
B.
are all
C.
are both
D.
both are
【单选题】下列选项中，正确表述了认识的客体的含义的是（）
A.
认识的客体是主体实践和认识的对象
B.
认识的客体是主体创造出来的对象
C.
认识的客体是一切客观事物
D.
认识的客体是整个外部自然界
【单选题】You want to have $35,000 in cash to buy a car 4 years from today. You expect to earn 8 percent, compounded annually, on your savings. How much do you need to deposit today if this is the only money yo...
A.
$23,618.92
B.
$24,511.68
C.
$25,726.04
D.
$26,013.01
相关题目：
【单选题】下列选项中，正确表述了认识的客体的含义的是（）
A.
认识的客体是主体实践和认识的对象
B.
认识的客体是主体创造出来的对象
C.
认识的客体是一切客观事物
D.
认识的客体是整个外部自然界