大年三十

大年三十，北美杀鸡，鸡飞蛋打
2004-01-21 09:58:24
战绩不理想，有感受，也有几经。几经有用！

先写几经，怕有战友需要，没怎么休息，马上登出，自己受益，要造福后人。

math:

data sufficient(d.s)
1. is n more than m?
a. n is more than 2m-1 b. m is more than 1

2. ask what is the unit digit of n?
a. n is divided by 5, reminant is 3
b. n divided by 4, no reminant

3.some money deposit to bank, ask for the simple interest rate
a. each $70 , get $2.10 interest.
b. each $20 , get $0.66 interest

4.$20.000 deposit into bank, compand quarterly, ask for this compand interest.
a.the intrest in 2nd quarter is 1.1 times more than the first quarter.
b. the intrest in 2nd quarter is 2 dollars more than the first quarter.

5. s=0.abc. ask s is more than 2/3?(old jj)
a.a+b is more than 14
b. a+c is more than 15

quantative:
1. six musicians put into order, 3 of them have to be put together(their order does not matter), ask how many ways?

2.a1=3, a2=5, a(n+1)=an-a(n-1), ask s100=?(old jj)

3.buy wines, first 5 bottle $8each bottle, from 6 to 10(inclusive) $7each, more than 10 is $12 each. buy seperate $32 and $61, ask if buy together how much need to pay.(old jj)

4. 1/(9- 4xsqurt5) old jj

5. x is more than 3 but less than 100, ask how many prime squres are in 3/x. ( 9 and 25 only)

6.two identical square in one rectangular, the perimeter of rectangular is 18xsqurt2, ask the perimeter of each square(old jj, but old jj but rhombus instead of identical square)

7. old jj , know work hour and member number, ask for median?

too tired to put more, maybe when i am free i will put in more.

sc

1. A.the fact of doing sth and doing sth enlights ...
B. that doing sth and doing sth enlights...e
C. because..., this fact...

2.turns to somebody as his subject.
for suject
for his subject
to be subject

3. such as and such like ( of course such as)

4. both...and...
5.parallelism... ing...ing

rc

all jj
1. homonid walking
2. aztech culture ( discuss rital object...)
3. united state credit system
4. forget

question:

1. what is the main idea?
2. what is th e function of first para to the whole para
3. what is the fuction of fist para and 3rd para

cr( not difficult)

1.bold face
old jj about old cencus
2. whales swim

writing:
1. team work
2. coffee drinker and cola drinker

感想随后等出。有用一定要看呀！

　

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