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【简答题】
投影变换的方法有 和 旋转法。
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举一反三
【单选题】关于放置输入出埠(Place Port)的叙述,何者有误?
A.
此为输出入埠的符号
B.
输出入埠符号可以改变名称、颜色、长度
C.
选取输出入埠后,按空格键,该输出入埠将逆时针旋转90度
D.
输出入埠I/O Type只有Input和Output
【单选题】题干: 追随性、旋回性都好的船旋回时:
A.
纵距很大、横距也大
B.
纵距大、横距不大
C.
纵距和横距都小
D.
纵距大、横距小
【单选题】A full moon was shining down on the jungle. Accompanied only by an Indian guide, the American explorer and archaeologist Edward Herbert Thompson-- thirteen hundred years after the Mayas had left their...
A.
had been abandoned by the Mayas about thirteen hundred years previously.
B.
had been occupied and developed by the Mayas about thirteen hundred years before.
C.
had been deserted by the Mayas as soon as the Spaniards arrived.
D.
was conquered by the Mayas thirteen hundred years ago.
【单选题】近来,常有3条腿,五条腿的畸形蛙出现的报道,出现这些畸形蛙的原因最可能是
A.
大气污染造成的
B.
水污染造成的
C.
吃了由农药引起的畸形害虫造成的
D.
科学家在实验室内实验的结果
【单选题】A full moon was shining down on the jungle. Accompanied only by an Indian guide, the American explorer and archaeologist Edward Herbert Thompson -- thirteen hundred years after the Mayas had left thei...
A.
had been abandoned by the Mayas about thirteen hundred years previously
B.
had been occupied and developed by the Mayas about thirteen hundred years before
C.
had been deserted by the Mayas as soon as the Spaniards arrived
D.
was conquered by the Mayas thirteen hundred years ago
【单选题】下列有关适用关税税率的规定中正确的是()。
A.
保税货物适用海关批准转内销申请之日的税率
B.
对不退运且不放弃给海关处理的原进口货物,适用海关接受无代价抵偿进口货物申报值日的税率
C.
转关运输货物,适用指运地海关接受申报之日的税率
D.
租赁进口货物到期不复运出境的,适用纳税义务人向海关申报被接受之日的税率
【单选题】造成水污染的主要原因是
A.
农业使用的化肥污染
B.
工业排放的大量废水污染
C.
生活用水污染
D.
自然界有害元素的污染
【多选题】水污染造成的原因有()
A.
工业废水排放
B.
生活污水排放
C.
固体废弃物掩埋污染地下水源
D.
浪费水资源
【单选题】追随性,旋回性都好的船旋回时_( )
A.
纵矩很大,横矩也大
B.
纵矩大,横矩不大
C.
纵矩和横矩都很小
D.
纵矩大,横矩小
【单选题】关于放置输出入埠( Place Port )的叙述,何者有误?
A.
此为输出入埠的符号。
B.
输出入埠符号可以改变名称,颜色,长度。
C.
选取输出入埠后,按 键,该输出入埠将逆时针旋转 90 度。
D.
输出入埠的 I/O Type 只有 Input 和 Output 。
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