1.选择题- (共9题)
6.若函数y=f(x)的导数y′=f′(x)仍是x的函数,就把y′=f′(x)的导数y″=f″(x)叫做函数y=f(x)二阶导数,记做y(2)=f(2)(x).同样函数y=f(x)的n﹣1阶导数的导数叫做y=f(x)的n阶导数,表示y(n)=f(n)(x).在求y=ln(x+1)的n阶导数时,已求得 {#mathml#}{#/mathml#} , {#mathml#}{#/mathml#} ,根据以上推理,函数y=ln(x+1)的第n阶导数为{#blank#}1{#/blank#}.
7.若函数y=f(x)的导数y′=f′(x)仍是x的函数,就把y′=f′(x)的导数y″=f″(x)叫做函数y=f(x)二阶导数,记做y(2)=f(2)(x).同样函数y=f(x)的n﹣1阶导数的导数叫做y=f(x)的n阶导数,表示y(n)=f(n)(x).在求y=ln(x+1)的n阶导数时,已求得 {#mathml#}{#/mathml#} , {#mathml#}{#/mathml#} ,根据以上推理,函数y=ln(x+1)的第n阶导数为{#blank#}1{#/blank#}.
2.单项选择- (共13题)
10.
It is said that that boy, who has a great ______ for singing and dancing, is from Nanchang No.3 Middle School.
A.gift | B.present | C.award | D.reward |
11.
Each new way of looking at a situation deepens our understanding and makes ______ easier to discover new possibilities.
A.this | B.it | C.one | D.that |
12.
It is such ______ honor to take part in ______ celebration, so how could I make any mistake?
A.an; / | B.the; the | C.an; the | D./; the |
13.
The evidence has ______ the first witness’ story.
A.confused | B.accumulated | C.attached | D.confirmed |
14.
---______ he have been chosen as captain of our school football team?
---Yes, he______. Can’t you see he’s wearing an armband?
---Yes, he______. Can’t you see he’s wearing an armband?
A.Can; can | B.Must; must have | C.Can; must have | D.Must; must |
15.
How do you ______ the failure of your final examination ?
A.account for | B.call for | C.reach for | D.send for |
16.
The oceans and seas ______ the islands are more or less polluted.
A.surrounding | B.surrounded | C.are surrounded by | D.are surrounding |
17.
In these years, the shortages of water has become a ______ problem.
A.global | B.historical | C.chemical | D.local |
18.
--- I’m driving to Jiujiang after breakfast.
--- Take care, ______ with all this fog.
--- Take care, ______ with all this fog.
A.mainly | B.really | C.extremely | D.especially |
19.
Why not stay at home ______ the road is so slippery after the heavy snow?
A.so long as | B.in case | C.so far as | D.now that |
20.
My wife ______the night shift when my plane ______. That’s why no one is to meet me at the airport today.
A.will have worked; has arrived | B.was working; arrived |
C.will be working; arrives | D.is working; is arriving |
21.
______ made him unhappiest of all was ______ he had nowhere to unburden himself.
A.What; what | B.What; that | C.That; what | D.That; because |
试卷分析
-
【1】题量占比
选择题:(9道)
单项选择:(13道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:11
7星难题:0
8星难题:1
9星难题:0