About ________ of the costs of things we buy are marketing costs that go to pay for distribution costs of intermediaries. A: 25 percent B: 30 percent C: 75 percent D: 90 percent

In recent years， according to the trade statistics， the export of mechanical and electronic products make up about （ ） of China’s total exports every year. A: 10 percent B: 30 percent C: 60 percent D: 90 percent

200 years ago, 90 percent of the world’s population subsisted in extreme poverty. Today, fewer than 10 percent of people do.

Life is 10% what you make it and 90% percent how you take it.

U3T204. Almost 90 percent of the world's energy is supplied through the ______ of fossil fuels,

More （and） 90 percent of the calcium in the （human） body （is） in （the） skeleton.（） A: and B: human C: is D: the

More than 90% percent of the plants and animals living in the Hawaii are found nowhere in the world.译文：90%以上生长在夏威夷的动植物都是全世界绝无仅有的。

1. More than 90% percent of the plants and animals living in the Hawaii are found nowhere in the world.‏‌译文：90%以上生长在夏威夷的动植物都是全世界绝无仅有的。‏‌‏

If the nominal interest rate per year is 10 percent and the inflation rate is 4 percent, what is the real rate of interest? A: 10.0 percent B: 4.1 percent C: 5.8 percent D: 14.0 percent

According to a study finished in 2011, what percent of the groundwater in cities was polluted? A: Over 90 percent. B: 20 percent. C: 64 percent.