Are you facing a situation that looks impossible to fix?

    In 1969,the pollution was terrible along the Cuyahoga River Cleveland, Ohio. It{#blank#}1{#/blank#}(be) unimaginable that it could ever be cleaned up. The river was so polluted that it{#blank#}2{#/blank#}(actual) caught fire and burned. Now, years later, this river is one of{#blank#}3{#/blank#}most outstanding（杰出的）examples of environmental cleanup.

    But the river wasn't changed in a few days{#blank#}4{#/blank#}even a few months. It took years of work {#blank#}5{#/blank#}(reduce) the industrial pollution and clean the water. Finally, that hard work paid off and now the water in the river is{#blank#}6{#/blank#}(clean) than ever.

    Maybe you are facing an impossible situation. Maybe you leave a habit{#blank#}7{#/blank#}is driving your family crazy. Possibly you drink too much or don't know how to control your credit card use. When you face such an impossible situation, don't you want a quick fix and something to change immediately?

    While there are{#blank#}8{#/blank#}(amaze) stories of instant transformation, for most of us the{#blank#}9{#/blank#}(change) are gradual and require a lot of effort and work, like cleaning up a polluted river. Just be {#blank#}10{#/blank#}(patience).

    {#blank#}1{#/blank#} (expose) to smoking for a long time, you may find it hard to give it up. And the effects it has {#blank#}2{#/blank#} you may die hard. But do you know {#blank#}3{#/blank#}it is that results in such a situation? First, quantities of nicotine you get into your body{#blank#}4{#/blank#} (be) the source of your physical addiction. Second, your habit is to blame and you just can't accustom{#blank#}5{#/blank#} (you) to the absence of nicotine in your body. Third, most{#blank#}6{#/blank#}(probable), you can be mentally addicted and believe smoking makes you feel good. However, demanding as it is, you do not need to put up with the situation. Every time you feel{#blank#}7{#/blank#}(anxiety), just remember under no circumstances should you reach for a cigarette. It's also suggested that help{#blank#}8{#/blank#}(need) if the situation is desperate. Of course, the most important is to{#blank#}9{#/blank#} (strong) your resolve whenever you want to quit. And you can depend on it {#blank#}10{#/blank#} you can completely get rid of it as long as you keep trying.

    To celebrate his sixtieth birthday, Devon's father organized a family vacationto Alaska. On the long northward flight, Devon {#blank#}1{#/blank#} (think) that she would have preferred a tropical (热带的) island. But she changed her mind on their third day, {#blank#}2{#/blank#} they hiked out onto Root Glacier (冰川) with a guide. Standing inside an ice cave beneath the glacier's surface, Devon stared in amazement at the glowing neon (氖) blue of the glacial ice surrounding her. This was {#blank#}3{#/blank#} (definite) worth the trip!