问题 选择题

已知△ABC中,AB=5,BC=2,其周长为a,则a的范围是(  )

A.3<a<7

B.3<a<14

C.10≤a≤14

D.10<a<14

答案

设第三边是x,则5-2<x<5+2,

即3<x<7.

则a的范围是:5+2+3<a<5+2+7,

即10<a<14.

故选D.

阅读理解与欣赏

阅读下面一首词,然后回答问题。

少年游

润州作,代人寄远

苏 轼

去年相送,余杭门外,飞雪似杨花。今年春尽,杨花似雪,犹不见还家。

对酒卷帘邀明月,风露透窗纱。恰似姮娥怜双燕,分明照、画梁斜。

注 宋神宗煕宁七年(1074)四月,任杭州通判的苏轼因赈济灾民而居润州(今江苏镇江),为寄托自己对妻子的思念之情,他写下了这首词。

(1)词的上片所写的基本内容是什么?有什么作用?

答:                                                                                                                                                                                                                                                                                                                                          (2)本词在写法上有什么特点,试作简要分析。

答:                                                                                                                                                                                                                                                                                                                                          

单项选择题