affordnotesvolunteersleepyconcentratememberstudyingwrongpointsstayupPaula:HiBob.Youlook(1)!Bob:Idon’tfeelgreatPaula.Paula:Istheresomething(2)?Havey
afford notes volunteer sleepy concentrate member studying wrong points stay up |
Paula: Hi Bob. You look (1) !
Bob: I don’t feel great Paula.
Paula: Is there something (2) ?Have you been to the doctor’s?
Bob:No I’m not ill. I’m just a bit tired. I’m probably not sleeping enough.
Paula: You shouldn’t go out so late then.
Bob:I’m not going out at all actually. I’m too busy (3) . I (4)
last night.
Paula: Staying up? But the exams are two months away.
Bob:I know but I’ve got a lot to do. I didn’t do much last term. I wish I’d been more like you!
Paula: Well yeah I went to every class and I took lots of (5) . After class I spent time looking through all the key (6) I made during class.
Bob:Have you started preparing for the exams yet?
Paula: Not yet. I’ll probably start next week but I’m not going to stay up all night doing it! If you don’t sleep enough you can’t (7) and you don’t learn anything. Anyway you should have a weekend off.
Bob:I don’t think so. I can’t (8) the time.
Paula: Of course you can! Why don’t you go to do some (9) work with me? You used to be a (10) of our Helping Team.
Bob:I know I do need some time to relax.
1/1,-1/2,-2/1,1/3,2/2,1/3,-1/4,-2/3,-3/2,-4/1,1/5 2020-04-09 …
分式求和问题1/(2^k+1)+1/(2^k+2)+…+1/2^(k+1)为什么1/(2^k+1) 2020-04-26 …
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
1/2*101/100=101/200这一步是因为什么这么做的?原题是1-1/2^2)(1-1/3 2020-05-14 …
谁会用MATLAB计算 权向量矩阵是A=[1,1/2,3,1,6,8,9,1/2 2,1,5,2, 2020-05-15 …
因为:1³=1×1×1=1 2³=2×2×2=8 1³+2³=1+8=9 (1+2)²=3×3=9 2020-05-16 …
2^2-1^2=2*1+13^2-2^2=2*2+14^2-3^2=2*3+1……(n+1)^2- 2020-05-19 …
天才进1,1,2,1,2,1,2,3,3,1,3,2,1,2,3,3,1,3,2,1,3,2,3, 2020-05-21 …
1=2的2²-1,1+2=2²-1,1+2+2²=2的3次方-1=2的2²-1,1+2=2²-1, 2020-05-21 …
在○里填上适当的运算符合,使等式成立(1)1/2○1/2○1/2○1/2○1/2=0(2)1/2○ 2020-07-08 …