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【单选题】
下列说法错误的是( )
A.
设函数 在 上连续，在 内可导，且有 . 证明：至少存在一点 ，使 . 可构造辅助函数 ，在区间 用罗尔定理证明；
B.
设函数 和 在 上存在导数，并且 . 证明：在开区间 内至少存在一点 ，使得 . 可构造辅助函数 ，在区间 用罗尔定理证明；
C.
设函数 在 上 连续，在 内可导，证明在 内至少存在一点，使得 . 可构造辅助函数 用拉氏定理证明 .
D.
若 ，证明不等式： . 可构造辅助函数 在区间 上用拉氏定理证明 .
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举一反三
【单选题】The deficiency of some for-profit colleges is that they______.
A.
offer inferior education to the students
B.
always fail to pay the government loans
C.
discourage their students from applying for government loans for tuition
D.
only recruit students from the well-off families
查看完整题目与答案
【单选题】Read the paragraph below. Choose and write the best topic sentence for each paragraph on the line provided. __________________________________________________________ . There are some private colleges...
A.
Two main types of colleges and universities in the United States are private and public.
B.
Private colleges and universities get money from taxes.
C.
There are only some colleges and universities in the United States.
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【单选题】日本血吸虫主要寄生于人体的哪一部位
A.
肝脏
B.
肠壁
C.
肺部
D.
肠系膜下静脉和门静脉系统
E.
肠系膜上静脉
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【单选题】The government will _________ some new colleges for more student s to receive higher education. [     ]
A.
put on
B.
set out
C.
set up
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【单选题】The relationship between some colleges and retirement communities is ______.
A.
similar in that there are more females than males
B.
opposite in that females perform. better in colleges while males better in retirement communities
C.
similar in that females perform. better than males
D.
opposite in that there are more females than males in colleges
查看完整题目与答案
【单选题】华支睾吸虫成虫主要寄生于人体
A.
肝脏内
B.
胰腺管内
C.
胆总管内
D.
肝胆管内
E.
胆囊内
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【单选题】According to the passage, in competing for talented students, some colleges offer to ______.
A.
raise financial aid
B.
cut tuitions by half
C.
pay full tuition
D.
raise academic quality
查看完整题目与答案
【单选题】What is the controversy revealed in the passage?
A.
Some colleges change into university, and the opposite is also true.
B.
Some universities advertise their collegelike atmosphere, while some colleges tell potential applicants that they are just like universities.
C.
Some colleges change into university, and some universities into institute.
D.
Some private colleges change into universities and schools at the same time.
查看完整题目与答案
【单选题】Because colleges and universities perform. such a wide variety of roles, some educators complain that their institutions are expected to meet the needs of too many competing interests. For example, bu...
A.
educational standards that would combine academic and vocational objectives
B.
educational standards that would separate academic and vocational curriculums
C.
there exists the educational standards argumentation on the combination or separation of the academic and vocational objectives
D.
colleges and universities perform. such a wide variety of roles
查看完整题目与答案
【单选题】Some American colleges are state-supported, others are privately _______, and still others are supported by religious organizations.
A.
ensured
B.
attributed
C.
authorized
D.
endowed
查看完整题目与答案
相关题目：
【单选题】The deficiency of some for-profit colleges is that they______.
A.
offer inferior education to the students
B.
always fail to pay the government loans
C.
discourage their students from applying for government loans for tuition
D.
only recruit students from the well-off families
查看完整题目与答案
【单选题】Read the paragraph below. Choose and write the best topic sentence for each paragraph on the line provided. __________________________________________________________ . There are some private colleges...
A.
Two main types of colleges and universities in the United States are private and public.
B.
Private colleges and universities get money from taxes.
C.
There are only some colleges and universities in the United States.
查看完整题目与答案
【单选题】日本血吸虫主要寄生于人体的哪一部位
A.
肝脏
B.
肠壁
C.
肺部
D.
肠系膜下静脉和门静脉系统
E.
肠系膜上静脉
查看完整题目与答案
【单选题】The government will _________ some new colleges for more student s to receive higher education. [     ]
A.
put on
B.
set out
C.
set up
查看完整题目与答案
【单选题】The relationship between some colleges and retirement communities is ______.
A.
similar in that there are more females than males
B.
opposite in that females perform. better in colleges while males better in retirement communities
C.
similar in that females perform. better than males
D.
opposite in that there are more females than males in colleges
查看完整题目与答案
【单选题】华支睾吸虫成虫主要寄生于人体
A.
肝脏内
B.
胰腺管内
C.
胆总管内
D.
肝胆管内
E.
胆囊内
查看完整题目与答案
【单选题】According to the passage, in competing for talented students, some colleges offer to ______.
A.
raise financial aid
B.
cut tuitions by half
C.
pay full tuition
D.
raise academic quality
查看完整题目与答案
【单选题】What is the controversy revealed in the passage?
A.
Some colleges change into university, and the opposite is also true.
B.
Some universities advertise their collegelike atmosphere, while some colleges tell potential applicants that they are just like universities.
C.
Some colleges change into university, and some universities into institute.
D.
Some private colleges change into universities and schools at the same time.
查看完整题目与答案
【单选题】Because colleges and universities perform. such a wide variety of roles, some educators complain that their institutions are expected to meet the needs of too many competing interests. For example, bu...
A.
educational standards that would combine academic and vocational objectives
B.
educational standards that would separate academic and vocational curriculums
C.
there exists the educational standards argumentation on the combination or separation of the academic and vocational objectives
D.
colleges and universities perform. such a wide variety of roles
查看完整题目与答案
【单选题】Some American colleges are state-supported, others are privately _______, and still others are supported by religious organizations.
A.
ensured
B.
attributed
C.
authorized
D.
endowed
查看完整题目与答案