Our world has been greatly affected by global warming and it is critical (关键的) that people, young and old, join hands to fight it. Most     1    (important), children today should learn to be eco­friendly at a young age.

It is believed that the nation should ask schools     2    (have) a class about “Green Living”. Every school should teach students to know about global warming and what they can do to reduce their carbon footprints. In the classes, students could be assigned to find several     3    (solve) to energy problems while learning about their effects     4     the earth. Students also should     5    (encourage) to use what they learned in class at home.

Too many people think that global warming is not a threat, but it is one of our     6    (big) problems. Steps     7    (take) to be “green” in the school are so effective. What would children be learning if the school’s lights were always left on and there were no recycling bins?

Green living and green schools are part of     8     new wave sweeping over the nation. How will our future leaders respond after years of living in a community     9     protecting our world’s natural environment just isn’t considered important？Schools and the government should teach young people to devote     10    (they) to dealing with global warming.

Tree-climbing class takes root in Hubei

Recently, a tree-climbing class is growing popular among students at the Sport Institute of Hubei University, with more and more people    1    (show) interest in learning the tricks of the trade for scaling timber.

At a class on Monday, Lu Junpei, a PE teacher, showed 16 students some of     2    most important techniques. He put on a helmet, fastened straps and tied rope knots.    3    (eye) by all his students, Lu spent less than eight minutes reaching the top of a 25-meter tree. “Because many students are showing interest, the school plans to add more seats     4    the class to allow more students     5    (learn) and practice.” said Lu,     6    is also a member of the Enshi Blue Sky Rescue Team.

Hubei University is one of the first     7    (university) in China to include courses on tree climbing. Teachers and students at the university     8    (win) two golds and two silvers at the Hong Kong Tree Climbing Championship in 2017. Tree-climbing is a slow activity. It’s not something you do quickly and then you’re on to the next thing or event. Now, people begin to miss the old days, so tree-climbing     9     (bring) into many other educational programs. It will be     10    (definite) helpful to make students away from online games and improve their health.