3.This is honest boy. A: a B: an C: 不填 D: the

3.This is the boy ______ sister is a famous movie star. A: that B: whose C: whom D: who

3.This is the hotel________ last month. A: which they stayed B: at that they stayed C: which they stayed at D: where they stayed

用a或an填空。1．That is ____ apple and it is nice.2．—What's that?—It's ____ computer(电脑).3．This is ___ English book and that is _______math book.

1.Those who have an ____________ complex feel that they are of less worth or importance than others.2.His good personality made him popular with his ________.3.This inexpensive art projector is easy to use, light in weight, __________ and gives a sharp image.4.Please sit down and _________ why you feel so upset.5.The hotel offers a high standard of service at very ____________ rates. peersportable competitiveanalyze inferiority

函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是（   ）的

3√3—/3√3/

下列各项中，哪一项不是Kirsch边缘检测中构建的模板（） A: [5 5 5；-3 0 -3；-3 -3 -3] B: [-3 5 5；-3 0 5；-3 -3 -3] C: [5 5 5；-3 -3 0；-3 -3 -3] D: [-3 -3 -3；-3 0 -3；5 5 5]

3⊥3与3┬3舌轴嵴形态的区别是（） A: 舌轴嵴3┬3与3┬3同样明显 B: 舌轴嵴3┬3不如3⊥3明显 C: 舌轴嵴3┬3比3⊥3明显 D: 舌轴嵴3┬3与3⊥3均不明显