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【单选题】
Recycling Around the World Recycling is one of the best environmental success stories of the late 20th century. But we could do more. People must not see recycling .as fashionable, but essential. The Japanese are very good at recycling because they live in a crowded country. They do not have much space. They do not want to share their limited space with rubbish. But even so, Tokyo area alone is estimated to have three million tons of leftover rubbish at present. In 1996, the United States recycled and composted (制成肥料)57 million tons of waste (27% of the nation's solid waste). This is 57 million tons of waste which did not go into landfills and incinerators (焚化炉). In doing this, 7,000 rubbish collection programmes and recycling centres helped the authorities. In Rockford, a city in Illinois, US, its officials choose one house each week and check its garbage (废物). If the garbage does not contain any newspapers or aluminium (铝) cans, then the resident of the house gets a prize of at least $1,000. In Japan, certain cities give children weekly supplies of tissue paper and toilet paper in exchange for a weekly collection of newspapers. In one year Britain recycles: - 1 out of every 3 newspapers. - 1 out of every 4 glass bottles and jars (罐子). - 1 out of every 4 items of clothing. - 1 out of every 3 aluminium drink cans. In 1999, Hong Kong transported 1.3 million tons of waste to mainland China for recycling. Around 535,000 tons of waste were recycled in Hong Kong itself. Over half the things we throw away could be recycled. That means we could recycle 10 times as much as we do now. However, recycling needs a lot of organization and special equipment. Also, there is not much use for some recycled material. Which of the following is NOT true of the Japanese?
A.
They live in a crowded country.
B.
They have recycled all their waste.
C.
They are very good at recycling.
D.
They have to share their limited space with rubbish
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【单选题】下面程序的运行结果是()。 #include using namespace std; class S{ public:S(int i,int j) {x=i;y=j;} void disp() {cout< void disp() const {cout< private: int x,y; }; int main() { const S a(1,2); a.disp(); return 0; ...
A.
disp1
B.
disp2
C.
disp1 disp2
D.
编译出错
【简答题】A.人由于接触土壤而感染的一种寄生虫 B.发育过程中没有中间宿主,直接从外界环境中受到感染的寄生虫 C.人与脊椎动物之间相互传播的寄生虫病 D.蠕虫的一种直接感染方式 E.发育过程中有中间宿主,感染来源于另一生物 土原性蠕虫 A. B. C. D. E.
【单选题】生物源性蠕虫
A.
人由于接触土壤而感染的一种寄生虫
B.
蠕虫在发育过程中没有中间宿主,人直接从外界环境中感染的寄生虫
C.
动物之间相互传播的一种寄生虫
D.
蠕虫的一种直接感染方式
E.
蠕虫在发育过程中有中间宿主,人的感染来源于另外一种生物
【单选题】生活史中可有中间宿主也可没有中间宿主的绦虫是().
A.
微小膜壳绦虫
B.
牛带绦虫
C.
细粒棘球绦虫
D.
猪带绦虫
E.
多房棘球绦虫
【多选题】消灭天花的条件()
A.
全部为显性感染
B.
没有动物宿主或中间宿主,仅为人间传播
C.
十分有效的预防性疫苗
D.
疾病严重,能接受疫苗接种
【单选题】日本血吸虫的第二中间宿主
A.
荸荠、茭白、菱角等
B.
淡水鱼、虾
C.
海鱼
D.
没有第二中间宿主
【单选题】土源性蠕虫
A.
人由于接触土壤而感染的一种寄生虫
B.
蠕虫在发育过程中没有中间宿主,人直接从外界环境中感染的寄生虫
C.
动物之间相互传播的一种寄生虫
D.
蠕虫的一种直接感染方式
E.
蠕虫在发育过程中有中间宿主,人的感染来源于另外一种生物
【单选题】写出下列程序的运行结果 #include using namespace std; class Sample { public: Sample( int i,int j) { x= i; y= j; } void disp() { cout<<"displ"<
A.
disp1
B.
disp2
C.
disp1 disp2
D.
程序编译出错
【单选题】没有中间宿主的是
A.
肺吸虫
B.
血吸虫
C.
蛔虫
【单选题】自动喷水灭火系统,当在梁或其他障碍物底面下方的平面上布置喷头时,溅水盘与顶板的距离不应大于300mm,同时溅水盘与梁等障碍物底面的垂直距离应为下列何项______
A.
不应小于25mm,不应大于100mm
B.
不应小于50mm,不应大于100mm
C.
不应小于50mm,不应大于150mm
D.
不应小于75mm,不应大于100mm
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