课后限时自测(十六)
Ⅰ.语法填空
Sixty－six percent of 15－to 25－year－olds in China say they are happy，according to a survey of global youth happiness __1__(conduct) in 14 countries.
The survey shows young people worldwide are__2__(happy) when they are on vacation，being challenged，or achieving something.The youth in the US, for example, said__3__were happiest between 8 and 10 pm on Saturdays in July，__4__enjoying good music or spending time with friends and family.
According to study author Joeri Van den Bergh, young people don't just want to impress their friends.Today's youth want to accomplish something in life，__5__this means big accomplishments like doing well in an important exam or finding a good job, or small things like making__6__delicious dinner.
The survey also shows higher happiness in developing countries—Brazil, India and China all ranked__7__(high)．Young people in these countries might realize they are better off than their parents in the improving economic environment.
However, Christine Carter, sociologist and happiness expert at the University of California, Berkeley,
