Why did David decide to leave school and start working?
A．He received lots of job offers.
B．He was eager to help his mother.
C．He lost interest in school studies.
D．He wanted to earn his own living.
At what time of the school term does the conversation most probably take place? （ ）
A．At the end of it．
B．In the middle of it．
C．At the beginning of it．
玉树地震，地动山摇；抗震救灾，感天动地。回答5～6题。
5．有一种风范叫关爱，有一种资态叫坚守。地震时，正在玉树孤儿院做义工的香港货柜车司机黄福荣为营救孤儿和老师不幸遇难。他在义工的路上默默地走了十年，曾徒步走中国为“中华骨髓库”募捐，曾在汶川灾区志愿服务了三个月……“好人阿福”以生命的闪光实现了“终生做义工”的愿望，感动了千千万万的中国人。他的事迹说明
A．人生价值是自我满足
B．实现人生价值关键在于主观努力
C．人生价值是自我牺牲
D．实现人生价值关键在于客观机遇
1933年罗斯福实行新政以后，美国商品获得了更大的海外市场，国内商品价格也有一定提高，债务人特别是农民的债务负担减轻了将近一半。对这些变化起直接作用的新政措施是
A．整顿财政金融
B．调整农业结构
C．复兴工业生产
D．实行社会救济
What is the woman trying to do?
A．Finish some writing.
B．Print an article.
C．Find a newspaper,
下列关于电磁波的说法正确的是
A．均匀变化的磁场能够在空间产生电场
B．电磁波在真空和介质中传播的速度相同
C．只要有电场和磁场，就能产生电磁波
D．电磁波在同种介质中只能沿直线传播