皮皮学，免费搜题
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【单选题】
下列关于特性的叙述,哪一个是错误的A.
位于立体表面
B.
一般是封闭的空间折线
C.
是两立体表面的共有线
D.
ABC都不对
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列哪项最符合急性肾盂肾炎的诊断:
A.
发热.浮肿.尿频.尿痛及尿沉渣白细胞增多
B.
高血压.浮肿.尿频.尿痛.及尿沉渣检查白细胞成堆
C.
发热.浮肿.尿频.尿急.尿痛及白尿
D.
高热.尿频.尿急.尿痛.肾区叩痛及尿中白细胞增多
E.
发热.尿频.尿急.尿痛及蛋白尿
【简答题】名词解释发育沟
【简答题】完形填空。 It seems like everywhere a person goes there is at least one person with a cell phone to his ear. Even in places 1 cell phone usage is banned such as concert halls or movie theatres there is the...
【简答题】选词填空 1. forget 2,protect 3. bathtub 4.rugby 5.opponents 6.mask 7. took place 8.underwater 9. at least 10. flippers There are many sea animals in the mysterious world.
【简答题】The switch network shown in Figure P1.53 represents a digital communication link. Switches , i = 1, . . . , 6, are open or closed and operate independently. The probability that a switch is closed is...
【简答题】名词解释 发热
【单选题】There are at least ___ structural classes of ribozymes that engage in self-cleavage; all use general acid and base catalysis to promote the attack of a 2′-hydroxyl group on an adjacent phosphodiester ...
A.
7
B.
8
C.
9
D.
10
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