根據(jù)短文內(nèi)容回答問題。Red Ribbon Week is held every year, usually during the last week of October.

【專家解說】：
小題1:Yes, it is./ Yes.
小題2:For four and a half years./ 4.5 years./ For four years and a half
小題3:He stopped the companies from making drugs.
小題4:To honor “Kiki” Camarena./ To be in memory of “Kiki” Camarena.
Because they wanted to honor the death of “Kiki” Camarena.
Because they wanted to be in memory of “Kiki” Camarena.
小題5:It tells us the background and the purposes of starting Red Ribbon Week.

小題1:根據(jù)文中語句Red Ribbon Week has become the largest drug education and prevention organization in the United States.可知答Yes, it is./ Yes. 
小題2:根據(jù)文中句子Mexican drug company and stayed there for four and a half years.可知答For four and a half years./ 4.5 years./ For four years and a half。
小題3:根據(jù)文中語句His efforts helped put a stop to several major drug making companies.可知答He stopped the companies from making drugs.
小題4:根據(jù)文中語句“people in Camarena’s town began wearing red ribbons in his honor.”可知在Camarena的家鄉(xiāng),人們?yōu)榱思o(jì)念他,開始帶紅絲帶.答案不唯一,符合題意即可。
小題5:這篇短文主要給我們講述了紅絲帶周的由來.故答:It tells us the background and the purposes of starting Red Ribbon Week.