请根据首字母及汉语提示完成下列句子，每空只填一个单词。

小题1:We hope we can reach the market through different c____________( 渠道).

小题2:The police said that the shooting was an isolated i_________ (事件 )

小题3:If you want to see Dr Lee, you have to make an a__________（预约）first.

小题4:For the past 30 years, e________ (经济) growth in China has lifted millions of people out of poverty

小题5:Alexander Hamilton f_______ (坚定地) believed that no country could become a modern nation without industry

小题6:As we all know, Canada, like the USA and Australia, is a m____________ (多文化的 ) country.

小题7:It often strikes adults, leaving them u    （不能）to work.

小题8:President Abraham Lincoln wrote the address at the White House , p______ (润色) it at this home in Gettysburg，and then delivered it at a battlefield in Gettysburg.

小题9:Now, as wages rise, Chinese citizens are i_________ (越来越，更加) worried about the environment and pollution.

小题10:Effective treatments do exist, but u_________ (不幸地) they are very expensive.

小题11:As teenagers, we should all learn to be i___________ (独立)。

小题12:Hundreds of thousands of children become i______ (感染) with the AIDS virus every year.

小题13:Two amphibious ships, the U.S.S.Germantown and U.S.S. Ashland, can deliver tons of s_______ (必需品，物质), personnel, and equipment to remote beaches in otherwise unreachable areas.

小题14:The researchers found that people driving pricey cars were less likely to stop for people trying to walk across the street and were more likely to i_____ (忽视) traffic laws.

小题15:When students are first starting out as future physicians, they learn that it's important to e_____（建立）a relationship with their patients and to be able to communicate effectively.