南宋时期，在南方不可能看到的景象是（    ）

根据材料内容及所给首字母提示填空，使材料意思完整、通顺。

    Susan was a woman who didn't like animals at all．She never w____ to keep any pets at home．To her, all pets were very dirty and boring．Susan could never understand w____ people would like to have pets in the house．"It is so stupid(愚蠢的)!"she always said．

    Last month Susan's daughter, Penny,came home from school w____  a mouse in a box,Susan was very angry．But Penny said that it was her h____．Her teacher asked each student to take care of an animal and l____ to get along with it．Susan had to say y____.

    It was fun for Penny at the very beginning, but then she got quite lazy(懒的) and f____to do her homework．It became Susan's homework．She g____it food and water every day and found that the mouse was in fact not dirty．She e____ talked to it! It was not boring or stupid!Now Susan is having a good time with"her" mouse．She named it Nini．And she is going to buy a____one to make a pair．

阅读下面文言文，回答问题。
                                                                                                                      郑絪^①
        刘瞻之先^②，寒士也。十许岁，在郑絪左右主笔砚。十八九，絪为御史，巡荆部商山^③，歇马亭，俯瞰山水。时雨霁，岩峦奇秀，泉石甚佳。絪坐久，起行五六里。曰：“此胜概^④，不能吟咏，必晚何妨？”却返于亭，欲题诗。顾见一绝，染翰尚湿。絪大讶其佳绝。时南北无行人左右曰但刘景在后行二三里。公戏之曰：“莫是尔否？”景拜曰：“实见侍御吟赏起^⑤予，辄有寓题。”引咎又拜。公咨嗟久之而去。比回京阙，戒子弟涵、瀚已下曰：“刘景他日有奇才，文学必超异。自此可令与汝共处于学院，寝馔^⑥一切，无异尔辈。吾亦不复指使。”至三数年，所成文章，皆辞理优壮。凡再举成名，公召辟法寺学省清级。
（选自《太平广记》）
【注释】①絪：念yīn。　②刘瞻之先：指刘瞻的父亲，即刘景。 ③荆部商山：地名。④概：景象。      ⑤起：启发。 ⑥馔：念zhuàn，食物。

若甲数的$\frac{2}{3}$ 比乙数的4倍多1，设甲数为x，乙数为y，列出的二元一次方程应是（　　）