根据以下资料,回答9~12题。 Many animals have an excellent sense of smell, which they use
根据以下材料回答 1~20 题:
By 1830 the former Spanish and Portuguese colonies had become independent nations. The roughly 20 million___(1)___of these nations looked ___(2)___to the future. Born in the crisis of the old regime and Iberian Colonialism, many of the leaders of independence ___(3)___ the ideas of representative government, careers___(4)___to talent, freedom of commerce and trade, the___(5)___ to private property, and a belief in the individual as the basis of society, ___(6)___there was a belief that the new nations should be sovereign and independent states, large enough to be economically viable and integrated by a___(7)___set of laws.
On the issue of___(8)___ of religion and the position of the church,___(9)___, there was less agreement___(10)___the leadership. Roman Catholicism had been the state religion and the only one ___(11)___by the Spanish crown,___(12)___most leaders sought to maintain Catholicism___(13)___the official religion of the new states, some sought to end the ___(14)___of other faiths. The defense of the Church became a rallying___(15)___ for the conservative forces.
The ideals of the early leaders of independence were often egalitarian, valuing equality of everything. Bolivar had received aid from Haiti and had ___(16)___in return to abolish slavery in the areas he liberated. By 1854 slavery had been abolished everywhere except Spain's ___(17)___colonies. Early promises to end Indian tribute and taxes on people of mixed origin came much ___(18)___ because the new nations still needed the revenue such policies ___(19)___ Egalitarian sentiments were often tempered by fears that the mass of the population was___(20)___ self-rule and democracy.
第 1 题 请选择(1)处最佳答案()。
A.natives
B.inhabitants
C.peoples
D.individuals
根据下表所给的资料,拟合一个回归模型,并回答下述问题。
(1)求出a、b,说明b的含意是什么?
(2)由题(1)所得的回归方程,标准估计误差是多少?
(3)对回归直线的斜率作显著性检验,P值是多少?
(4)一个13岁的男孩的血压估计值是多少?
血压与年龄的关系
年龄X 血压(mmHg)Y | 年龄X 血压(mmHg)Y |
5 94.4 6 97.7 7 101.9 8 104.5 9 106.3 | 12 113.8 13 117.7 14 121.6 15 122.3 16 123.6 |