阅读理解。
根据短文内容，从短文后的选项cfl选出能填入空白处的最佳选项。选项中有两项为多
余
选项。
  1  
With Father's Day 20 lI here,find out how the holiday started,why Dad doesn't mind being
shortchanged on gifts,and more.
Father's Day traditionally takes a backseat to Mother's Day,and,for the most part,dads are
cool with that,experts say.Nevertheless,as traditional roles around the house gradually change.
fathers are gaining more attention on their special day,at least as measured in the monetary value
of gifts estimated to be given on June l 9,20 11,when the holiday will be celebrated in dozens of
countries.
   2   
Where did Valentine's Day come from?What does it cost?And why do we fall for it.year
after year?
Where did this most popular day for couples come from?And how does it come into beings,
year after year?Noel Lenski,professor of the University of Colorado,said the lovers'holiday traces
its roots to raucous annual Roman festivals held every year on February l 5 and remained wildly
popular well into the fifth century A.D.
  3   
After 40 years,outsourced activism is replacing traditional Earth Day activities,and green's gone
mainstream,experts say.So what's the point?
The first Earth Day in l970 was a raucous, radical teach--in that helped spur clean-air, clean-water,
and endangered species legislation in the United States.Now,40 years later,Earth Day is every day,
as the saying goes. The thing is, it's also everyday-- environmentalism has become a routine with
greenness as much a marketing tactic as a moral pursuit.
  4   
How did Founding Fathers Celebrate 4th of July?How many 4th of July fireworks explode each
year?Answers and more.
Cookouts,fireworks,and,of course,a chance to wish Uncle Sam a big "happy birthday"-the day
means summer in full swing across the United States and beyond.Besides the founders of the US,
Fireworks,first authorized by Congress in l777,are another legacy.More than l 4,000 fireworks
displays light up U.S.skies each year.    '
  5   
Before the big dinner,debunk the myths-for starters,the first"real" Thanksgiving wasn't until the
l800s-and get to the roots of Thanksgiving 2010.
Some 242 million turkeys were raised in the U.S.in 2010 for slaughter,according to the U.S.
Depmment of Agriculture's National Agricultural Statistics Service.Last year'S birds were worth
about U.S.$3.6 billion. Before the big dinner, debunk the myths,we need to know that the first
"real"U.S.Thanksgiving wasn't until the l800s and get to the roots of Thanksgiving 2010.
A. 4th of July Facts:1 st Fests,Number of Fireworks.More
B. Father's Day Shortchanged? Humble History,Fewer Gifts
C. Is the Spring Festival changing little by little?
D. Thanksgiving 2010 Myths and Facts
E. Valentine's Day Facts: Gifts,History,and Love Science
F. The fact of the Intrnational Labour Day
G. Earth Day at 40: What Good Is It Now?

查看答案