问题 单项选择题 共用题干题

缺失,口底、前庭沟深,牙槽嵴较丰满。

最佳的卡环数是()

A.1个

B.2个

C.3个

D.4个

E.5个

答案

参考答案:C

问答题

语文专题活动。

(1)古代诗词中常写到梅雨。柳宗元写在广西柳州的《梅雨》诗说:“梅熟迎时雨,苍茫值小春(农历三月)。”杜甫写在四川成都的《梅雨》诗说:“南京(指成都)犀浦道,四月熟黄梅。”苏轼写在浙江湖州的《舶趠风》诗说:“三时(农历五月)已断黄梅雨,万里初来舶趠风。”请你用物候知识解释这种现象。 

                                                                                                                                                             

                                                                                                                                                            

(2)华罗庚曾对卢纶的《塞下曲》中“月黑雁飞高”提出质疑,想一想他的理由是什么?华罗庚的质疑对我们有什么启示?

理由:                                                                                                                                                 

启示:                                                                                                                                                  

单项选择题