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There have been fires in every Australian state,but New South Wales has been hardest hit.Fires have torn through bushland (叢林地),wooded areas,and national parks.Some start and are controlled in a few days,but the biggest fires have been burning for months.
    Each year there is a fire season during the Australian summer,with hot,dry weather making it easy for fires to start and spread.Natural causes are responsible for fires most of the time,like lightning hits in drought-affected forests.Dry lightning was to blame for starting a number of fires in late December,which then traveled more than 20 kilometers in just five hours.Humans can also be responsible.Police have charged at least 24 people with starting bushfires on purpose,and have taken action against 183 people for setting fire since November.
   Fire season in Australia is always dangerous -- the 2009 Black Saturday fires killed 173 people in Victoria,making it the deadliest bushfire disaster on record.But conditions have been unusually bad this year,making fires burn more strongly and making firefighting conditions particularly difficult.Australia is experiencing one of its worst droughts over the years.Meanwhile,a heatwave in December broke the record for highest nationwide average temperature,with some places under temperatures well above 40 degrees Celsius.Strong winds have also made the fires and smoke spread more rapidly,and have led to deaths.
   About half a billion animals have been affected by the fires across NSW,with millions likely dead -- and that's lower than what is probably the real number.That number of total animals influenced could be as high as one billion nationwide.Almost a third of koalas in NSW may have been killed in the fires,and a third of the places where they live have been destroyed.
   Some species,like koalas,aren't in any immediate danger of extinction because they are spread out across the country.But others that live in more suitable environments with lower populations,including certain types of frogs and birds,could be destroyed entirely if their home is hit by the fires.

(1)Fires in Australia
A
A
.
A.may last a long time
B.often happen in spring
C.mainly happened in some states
D.a(chǎn)re easily controlled in a few hours
(2)Fires in late December
A
A
.
A.spread rapidly
B.caused by humans
C.were put out by police
D.were due to wet weather
(3)What does the underlined word "heatwave" probably mean?
D
D

A.big fire
B.strong wind
C.serious drought
D.period of hot weather
(4)Why aren't koalas in danger of extinction at once?
B
B

A.Because they can run fast.
B.Because they live far and wide.
C.Because their home is well protected.
D.Because they have a lower population.

【考點】國家地理;說明文
【答案】A;A;D;B
【解答】
【點評】
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發(fā)布:2024/4/20 14:35:0組卷:1引用:1難度:0.6
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