Life is strange. We don't know what will happen （at times).（)

Changes in climate that had already taken place are manifested __1__from the decrease in extent and thickness of Arctic sea ice, perma- __2__frost thawing, coastal erosion, changes in ice sheets and ice shelves, altered distribution and abundance of species. __3__Nowadays snows melt earlier in the springtime. Lakes, rivers and bogs freeze much more later in the autumn. Reindeer herding __4__becomes more difficult so the ice is weak and may give way. __5__Nowadays winters are much colder than they used to be. __6__Occasionally during winter time it rains. We never expected this;we could not be ready for this. It is very strange. The cycle of the yearly calendar has been disturbed greatly. Warming over northern land areas has been very greater than elsewhere in the world. The __7__changes are due to human modification of the concentration of greenhouse gases during the 20th century, leading quite directly to the projections the Artic will warm by several times as much during the __8__

21st century as it did during the 20th century. The amplified warming in Arctic, in turn, directly contributes to overall global warming, as __9__well as cause changes that create impacts over the rest of the globe. __10__

To graduate from high school, we will begin our new life in college.()

A.living the

B.leading a

C.leading

D.living

A.the more for life are you equipped

B.the more equipped for life you are

C.the more life you are equipped for

D.you are equipped the more for life

A.We can easily change our life within 30 days if we use his metho

B.Without the 30 days challenges, we will never remember how days have passe

C.We should start hiking or riding bike for next 30 days.

D.We should try something we always want to try for next 30 days in order to make life more meaningful.

______no air or water, there would be no life in the world.

A. There was

B. There were

C. Is there

D. Were there