已知x为正整数,那么以3、x、10为三边可能组成的三角形的个数为( ) A.2

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问题:

已知x为正整数,那么以3、x、10为三边可能组成的三角形的个数为(  )

A.2

B.3

C.5

D.7

考点:三角形的三边关系
题型:选择题

late , they , decide , sell , idea , daily , bring , anything , right , strict , happy , stomach
Once a man had a hen and the hen laid two golden eggs every day . The man was very happy . Every day he took two gold eggs to the market and  小题1: them there . With the money , he and his family lived  小题2: .
One day , one of his friends said to him , “My friend , you take two eggs to the market every day and sell  小题3: there . There is too much trouble . Why not take out all the eggs once from her 小题4: ?”
The man liked the idea , but he wouldn’t make a 小题5:to kill the hen . A few days  小题6: he decided to kill the hen because he thought his friend’s 小题7: was very good , and it was really tiring to take the eggs to the market  小题8: .
The next day he killed the hen and the opened the hen’s stomach . But he couldn’t find 小题9: in the stomach . He looked for the eggs here and there , left and 小题10: , up and down , but there was nothing inside .
题型:选择题

两个串相等必须有()。

A.串长度相等

B.串中各位置字符任意

C.串中各位置字符均对应相等

D.串长度不等

E.串长度任意

题型:选择题

慢性胃炎难治的原因

A.十二指肠反流

B.胃粘膜遭到消化液作用

C.幽门括约肌功能降低

D.促胃液素,促胰液素,胆囊收缩素之间失平衡

E.胃壁血管扩张,炎症渗出增多

题型:选择题

产生听觉和视觉的感受器分别是[ ]

A.鼓膜和视觉中枢

B.听觉中枢和视网膜

C.耳蜗和视网膜

D.听觉中枢的视觉中枢

题型:选择题

一切外科疾病的总称是

A.疡

B.疮疡

C.肿疡

D.溃疡

E.胬肉

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