某一商品生产者要想在激烈的竞争中获得额外收益，就应
[ ]
A、缩短个别劳动时间
B、扩大个别劳动时间
C、提高社会劳动生产率
D、减少商品价值量
答案：A
请根据李梅一家人的具体介绍，为他们选择合适的节目。
小题1: Li Mei’s grandfather is 75 years old. He knows a lot about Chinese history. He is a fan of Beijing Opera and he has a big collection of Chinese paintings.
小题2: Li Mei’s grandmother is not very strong, so she keeps exercising with other old people every day. And she never misses watching programs about health.
小题3: Li Mei’s father is an engineer in a computer company. He is really busy every day, but he always tries to make time for basketball and football.
小题4: Li Mei’s mother is a housewife. She spends most of her time on the housework. And she often makes something delicious and special for her family.
小题5: Li Mei is a middle school student. She studies hard, but she is under too much pressure. She has many problems like most teenagers do.
2010年我国经济在金融危机的背景下依然取得平稳较快增长，国内生产总值达到39.79万亿人民币，比上年增长10.3%，超越______，成为全球______大经济体。[ ]
A．日本 第一
B．日本 第二
C．德国 第二
D．德国 第三
