10.若用如图的程序框图求数列{$\frac{n+1}{n}$}的前100项和,则赋值框和判断框中可分别填入( )

| A. | S=S+$\frac{i+1}{i}$,i≥100? | B. | S=S+$\frac{i+1}{i}$,i≥101? | C. | S=S+$\frac{i}{i-1}$,i≥100? | D. | S=S+$\frac{i}{i-1}$,i≥101? |
9.
在如图所示的正方形中随机投掷10000个点,则落入阴影部分(曲线C为正态分布N(0,1)的密度曲线)的点的个数的估计值为( )
| A. | 2386 | B. | 2718 | C. | 3413 | D. | 4772 |
2.设曲线y=xn+1(n∈N+)在点(1,1)处的切线与x轴的交点横坐标为xn,则log2015x1+log2015x2+log2015x3+…+log2015x2014的值为( )
0 229428 229436 229442 229446 229452 229454 229458 229464 229466 229472 229478 229482 229484 229488 229494 229496 229502 229506 229508 229512 229514 229518 229520 229522 229523 229524 229526 229527 229528 229530 229532 229536 229538 229542 229544 229548 229554 229556 229562 229566 229568 229572 229578 229584 229586 229592 229596 229598 229604 229608 229614 229622 266669
| A. | -log20152014 | B. | 1 | C. | -1+log20152014 | D. | -1 |