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【单选题】
Foxes and farmers have never got on well. These small doglike animals have long been accused of killing farm animals. They are officially classified as harmful and farmers try to keep their numbers down by shooting or poisoning them. Farmers can also call on the services of their local hunt to control the fox population. Hunting consists of pursuing a fox across the countryside, with a group of specially trained dogs, followed by men and women riding horses. When the dogs eventually catch the fox they kill it or a hunter shoots it. People who take part in hunting think of it as a sport they wear a special uniform. of red coats and white trousers, and follow strict codes of behavior. But owning a horse and hunting regularly is expensive, so most hunters are wealthy. It is estimated that up to 100,000 people watch or take part in fox hunting. But over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal (残酷的), has risen sharply. Nowadays it is rare for a hunt to pass off without some kind of confrontation (冲突) between hunters and hunt saboteurs (阻拦者). Sometimes these incidents lead to violence, but mostly saboteurs interfere with the hunt by misleading riders and disturbing the trail of the fox's smell, which the dogs follow. Noisy confrontations between hunters and saboteurs have be come so common that they are almost as much a part of hunting as the pursuit of foxes itself. But this year supporters of fox hunting face a much bigger threat to their sport. A Labour Party Member of the Parliament, Mike Foster, is trying to get Parliament to approve a new law which will make the hunting of wild animals with dogs illegal. If the law is passed, wild animals like foxes will be protected under the ban in Britain. Rich people in Britain have been hunting foxes ______.
A.
for recreation
B.
to limit the fox population
C.
in the interests of the farmers
D.
to show of their wealth
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【简答题】在(1)平行向量一定相等;(2)不相等的向量一定不平行;(3)共线向量一定相等;(4)相等向量一定共线;(5)长度相等的向量是相等向量;(6)平行于同一个向量的两个向量是共线向量中,说法错误的是_______________________
【单选题】某观测产品的转化率数据表如下: A B C 空列 转化率 1 1 (900) 1 (10) 1 (70) 160 2 1 2 (11) 2 (80) 215 3 1 3 (12) 3(90) 180 4 2 (110) 1 2 168 5 2 2 3 236 6 2 3 1 190 7 3 (1300) 1 3 157 8 3 2 1 205 9 3 3 2 140 在方差分析法中,下列正确的是(...
A.
=1421.56;
B.
=15686.89;
C.
=116.22;
D.
=427.562.
【单选题】闭口孔隙率增大,材料的 降低。
A.
密度
B.
表观密度
C.
憎水性
D.
抗冻性
【判断题】相等向量相反向量一定是平行向量,但是平行向量不一定是相等向量。
A.
正确
B.
错误
【简答题】下列说法:①平行向量一定相等;②不相等的向量一定不平行;③共线向量一定相等; ④相等向量一定共线;⑤长度相等的向量是相等向量;⑥平行于同一个向量的两个向量 是共线向量.其中,说法错误的是
【单选题】某观测产品的转化率数据表如下: A B C 空列 转化率 1 1 (900) 1 (10) 1 (70) 160 2 1 2 (11) 2 (80) 215 3 1 3 (12) 3(90) 180 4 2 (110) 1 2 168 5 2 2 3 236 6 2 3 1 190 7 3 (1300) 1 3 157 8 3 2 1 205 9 3 3 2 140 在方差分析法中,下列正确的是(...
A.
=11651;
B.
=302866.8;
C.
=7652.2;
D.
=310519.
【单选题】某观测产品的转化率数据表如下: A B C 空列 转化率 1 1 (900) 1 (10) 1 (70) 160 2 1 2 (11) 2 (80) 215 3 1 3 (12) 3(90) 180 4 2 (110) 1 2 168 5 2 2 3 236 6 2 3 1 190 7 3 (1300) 1 3 157 8 3 2 1 205 9 3 3 2 140 在方差分析法中,下列正确的是(...
A.
=1651;
B.
=202866.8;
C.
=7652.2;
D.
=310519.
【单选题】增大材料的 孔隙率 ,则材料的( )会降低
A.
密度
B.
表观密度
C.
憎水性
D.
保温性能
【简答题】在①平行向量一定相等;②不相等的向量一定不平行;③共线向量一定相等;④相等向量一定共线;⑤长度相等的向量是相等向量;⑥平行于同一个向量的两个向量是共线向量中,不正确的命题是 ______.并对你的判断举例说明 ______.
【多选题】有人认为,中文导游人员的口语表达难度要大于外语导游人员。主要因为()
A.
国内客人都是“本地人”,不仅熟悉国内的政策法规且有广泛的社会关系,因此挑剔起来一点都不含糊;
B.
有能力出来旅游的人大多受过良好的教育,对中国的历史文化地理风情都知之甚多,因此对导游讲解和语言协调能力要求颇高。
C.
跟播音员、主持人、教师、公务员相比,导游人员在语言运用上有其特有的难度,主要体现为社会地位较低、工作环境复杂、接触人群芜杂等,兼具“快、急、难、杂”的特色。
D.
一些导游人员在入行之前运用语言的能力有限,再突然进入这样一个对语言要求颇高的行业,就显得有些力不从心。
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