To be ______ with you, I like you, and should be glad to give you any help I can.A.generou
To be ______ with you, I like you, and should be glad to give you any help I can.
A.generous
B.frank
C.straight
D.friendly
To be ______ with you, I like you, and should be glad to give you any help I can.
A.generous
B.frank
C.straight
D.friendly
设f(x,y)与φ(x,y)均为可微函数,且φˊy(x,y)≠0,已知(xo,yo)是f(x,y)在约束条件φ(x,y)=0下的一个极值点,下列选项正确的是().
A.若fˊx(xo,yo)=0,则fˊy(xo,yo)=0
B.若fˊx(xo,yo)=0,则fˊy(xo,yo)≠0
C.若fˊx(xo,yo)≠0,则fˊy(xo,yo)=0
D.若fˊx(xo,yo)≠0,则fˊy(xo,yo)≠0
设f(x,y)与φ(x,y)均为可微函数,且φˊ(x,y)≠0,已知(xo,yo)是f(x,y)在约束条件φ(x,y)=0下的一个极值点,下列选项正确的是().
A.若fˊx(x,yo)=0,则fˊy(xo,yo)=0
B.若fˊx(xo,yo)=0,则fˊy(xo,yo)≠0
C.若fˊx(xo,yo)≠0,则fˊy(xo,yo)=0
D.若fˊx(xo,yo)≠0,则fˊy(xo,yo)≠0
可微函数f(x,y在点(xo,yo)取得极大值,下列结论正确的是().
A.f(xo,y)在)y=yo处的导数等于零
B.f(xo,y)在y=yo处的导数大于零
C.f(xo,y)在y=yo处的导数小于零
D.f(xo,y)在y=yo处的导数不存在
A.File
B.provide
C.simplify
D.priority
You seldom go to the cinema on the weekends, ______ ?
A.don't you
B.will you
C.do you
D.did you
You seldom have to do the cooking,______?
A. have you
B. haven't you
C. do you
D. don't you
How long do you think ______ to finish this urgent task?
A.did it take you
B.it will take you
C.will it take you
D.it to take you
______you will never convince him.
A.However long you argue
B.However you argue long
C.How you argue long
D.How long you argue
In the last paragraph, the writer implies that active learning______.
A.is important for you to remember more within the shortest possible time
B.can not be easily accepted
C.may test material
D.is serviceable for reading and listening
______ lately? I have not seen you for quite some time.
A.Where were you gone
B.Where did you go
C.Where were you going
D.Where have you been
Part B
52.Directions:
A) Title: Parents are too Permissive with Their Children Nowadays
B) Your composition should be based on the Outline given in Chinese below:
1.孩子成为家庭的中心,父母日渐失去应有的权威。
2.父母对孩子的溺爱和忽视导致表少年犯罪。
3.孩子的生活过于安逸对他们日后的成长不利。
You should write about 160-200 words neatly on ANSWER SHEET H. (20 points)