求英语高手帮个忙啊,单词造句

1.This job offers a salary of 20000 U.S.dollars
2.Youngsters are target consumers for this new product
3.You need to market well before you launch a new product
4.She gave me her business card
5.China is the third largest economy(经济体） in the world.
International trade strongly drives the development of a country's economy (经济）
6.Wal-Mart is the largest company in the world in terms of revenue.
7.Pepsi Cola's new slogan is popular among young people.
8.This country's national income dropped by 20% due to the economic crisis
9.German has three genders
10.You are required to fill in your occupation in this form.