According to Paragraph 4, what’s Jovce’s opinion about life in 1900? [ ]
A There were fewer problems for the family
B Life was simpler but worse than it is now
C There were things she liked and disliked
D The family had more time to stay together
第1题:
第2题:
第3题:
第4题:
第5题:
第6题:
4、已知字符串s='who',则执行语句 s[-1]='at' 后,s的值为:
A.'what'
B.'wha'
C.'whoat'
D.报错,且s的值不变