猫头鹰蝶因其翅上的圆斑酷似猫头鹰而得名，这样可以吓唬鸟类，以保护自身免受伤害．对这种行为的叙述错误的是（  ）

如图四边形ABCD中，∠B=90º，AB=4，BC=3。CD=13，AD=12，
求四边形ABCD的面积。

2015年8月19日国务院总理***主持召开国务院常务会议，会议决定从2015年10月1日起到2017年底，依法将减半征收企业所得税的小微企业范围，由年应纳税所得额20万元以内(含20万元)扩大到30万元以内(含30万元)。此次税收政策调整，其合理的传导顺序是（  ）

①投资需求释放 ②更多小微企业享受税收优惠 ③缓解经济下行压力 ④自主创业积极性提高

患肾炎的张大爷经过治疗已恢复健康，他的尿液中不再含有大分子蛋白质和葡萄糖．这分别是（   ）

根据短文理解选择最佳答案。

    Let's Explore (探究) The Nature!

    Are you interested in animals and nature? Do you want to enjoy your summer holiday and learn something interesting and useful?

    Here comes your CHANCE! Youth Explore as prepared you with a THREE-DAY SUMMER PROGRAM! You can take part in many hands-on activities and meet with live animals, giraffes, pandas, tigers, and so on! Here's more information about the program：

    Age: Students aged 8~16

    Groups: There are 2 programs for you to choose from. Each program needs at most 15 students.

Program cost: $230 for members； $250 for non-members

  How to do: Simply come to our centre to get an application form (申请表). Send your completed form on or before 11^th July, 2014(Friday).

Notes:

①NO FREE LUNCHES ARE PROVIDED because of personal food differences. You may either bring a lunch-box or pay for lunch at our restaurants.

②Both programs will start 1 DAY later if there is a warning of rainstorms.

COME AND JOIN US NOW!! DON'T MISS THE CHANCE!!