A．the sea

B．the house

C．Scotland

D．the island

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.

（6）满地黄花堆积，憔悴损．________。（李清照《声声慢》）

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

What do we know about the girl? （ ）

A．She is new to the school．

B．She writes for the school newspaper．

C．She seldom asks questions in class．

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