2014年成人高考专升本每日一练(8月5日)
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单项选择题
1、回答题
Scientists in the UK have announced that the piranhafish's reputation 21 a fearsome 22may well not be deserved．The fish, which is found in the Amazon in Brazil, have been 23as deadly carnivores(食肉动物) that work in shoals to overwhelm their prey and strip it of its flesh in seconds．However, experts 24 St Andrews University say that piranhas are omnivores(杂食动物) that mainly eat fish, plants and insects．They form big groups not to hunt but to defend 25against
other predators, according to the team．"Previously it was thought piranhas shoaled as it26them to form a cooperative hunting group," said Professor AnneMagurran．" 27 , we have found that it is primarily a defensive behavior．"
Piranhas can be attacked by animals 28 dolphins, caimans and large fish, so forming a shoal is a good way of 29being killed．Piranhas of 30age stay in the middle of the group for 31and the 32 of the shoal differs according to the level of 33When the water level is 34 , the fish form small groups as there is space to escape, but when the water level drops, they form large groups as protection 35 predators．
A．as
B．as if
C．as though
D．since
2、
A．baggage
B．suggestion
C．biography
D．paragraph
3、 设函数ƒ(x)在点x0处连续，则函数ƒ(x)在点x0处（ ）
A．必可导
B．必不可导
C．可导与否不确定
D．可导与否与在x0处连续无关
4、 I think he studies very hard, __?
A．does he
B．doesn't he
C．don't I
D．do I
填空题
5、 在适宜的条件下，种群所表现出来的增长率称为______。
简答题
6、
7、 (本题满分8分)
8、 简述抵押权的概念与特征。
9、和戎诏下十五年，将军不战空临边。（《关山月》）
将军不战空临边：
10、简述生态因子的作用规律。
1、回答题
Scientists in the UK have announced that the piranhafish's reputation 21 a fearsome 22may well not be deserved．The fish, which is found in the Amazon in Brazil, have been 23as deadly carnivores(食肉动物) that work in shoals to overwhelm their prey and strip it of its flesh in seconds．However, experts 24 St Andrews University say that piranhas are omnivores(杂食动物) that mainly eat fish, plants and insects．They form big groups not to hunt but to defend 25against
other predators, according to the team．"Previously it was thought piranhas shoaled as it26them to form a cooperative hunting group," said Professor AnneMagurran．" 27 , we have found that it is primarily a defensive behavior．"
Piranhas can be attacked by animals 28 dolphins, caimans and large fish, so forming a shoal is a good way of 29being killed．Piranhas of 30age stay in the middle of the group for 31and the 32 of the shoal differs according to the level of 33When the water level is 34 , the fish form small groups as there is space to escape, but when the water level drops, they form large groups as protection 35 predators．
A．as
B．as if
C．as though
D．since
2、
A．baggage
B．suggestion
C．biography
D．paragraph
3、 设函数ƒ(x)在点x0处连续，则函数ƒ(x)在点x0处（ ）
A．必可导
B．必不可导
C．可导与否不确定
D．可导与否与在x0处连续无关
4、 I think he studies very hard, __?
A．does he
B．doesn't he
C．don't I
D．do I
填空题
5、 在适宜的条件下，种群所表现出来的增长率称为______。
简答题
6、
7、 (本题满分8分)
8、 简述抵押权的概念与特征。
9、和戎诏下十五年，将军不战空临边。（《关山月》）
将军不战空临边：
10、简述生态因子的作用规律。
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