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            • 1. Air pollution is a killer. The World Health Organization says it kills about seven million people around the world each year. Even if (1) (pollute) air does not kill us, it can make us very sick. (2) (wear) face masks, people walk past heavy traffic as Beijing is hit by a sandstorm. The government in Beijing issued a blue warning on air pollution as sandstorms swept through the Chinese capital city.
              However, breathing in dirty air (3) (frequent) may do more harm to your body, (4) can also affect your brain and your ability to think. A new study shows that air pollution can cause a huge decrease in our (5) (intelligent).The researchers reported that long term suffering air pollution can affect a person"s mental abilities in two (6) (area):language and math.
              The researchers studied about 25,000 people from across China. Between 2010 and 2014, these Chinese men, women and children (7) (give) language and math tests. The researchers found that breathing in (8) air which has been polluted can reduce a person"s education level by about one year. The effect generally is even (9) (bad)for those over years of age, for men and for those with little or no education. The researchers noted that the effect of pollution (10) language ability is even more serious as people age, especially among men and the less educated.
            • 2.

              Why don't you drop in ____me for a drink one evening?

            • 3.

                  Diet and way of life are often a problem for teenagers. However, if you eat the right food and exercise  (1)  (regular), you can feel better, look better and have more energy. So healthy eating along   (2)   regular exercise is probably the only way to become fit.

                  As a teenager, it is important to give your body the energy   (3)   needs. For a healthy diet, you should eat mostly rice, bread, vegetables and fruit. You also need to drink a lot of water.   (4)   (drink) enough water will improve your skin and give you healthy hair.

                  Exercise is something   (5)   can help to make you look good, feel good and be healthy. Teenagers should spend at least 30 minutes exercising, five times a week. Walking and riding your bike count, and   (6)  do school sports. When you exercise, your body produces   (7)  (chemical) that make you feel peaceful and   (8)   (relax) and increase your ability to concentrate when you study. A good amount of sleep every night  (9)  (be) also important for your health. Teenagers need eight to ten hours of sleep each night.

                  If you follow the suggestions above, you will look and feel much   (10)  (good) in no time at all!


              (1) __________

              (2) __________

              (3) __________

              (4) __________

              (5) __________

              (6) __________

              (7) __________

              (8) __________

              (9) __________

              (10) __________

            • 4.

              ____(1)____the neighbors do not give any sweets, the children might play_____(2)_____trick on them.

              (1) ______________________

              (2) ______________________

            • 5.

              They supplied me good living ________ (condition), so I had a happy experience.

            • 6.

              ________ is a waste of time arguing with him.

            • 7.

              The duration of light is equal ________ that of darkness.

            • 8.

              _________ (实际上), he joined in outdoor activities in order to enrich his life.

            • 9.

              The project under ________ (construct) in the city will be completed at the end of the year.

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