陈鹤琴先生曾经说过：“环境的布置也通过儿童的双手和大脑，通过儿童思想和双手所布置的环

用所给单词的适当形式填空。

Kangkang@renaiedu.com  I wish your food festival a big success!

Dear Kangkang,

     Thank you for  __1__ (invite) me to your food festival. But I am sorry I have no time. Let me __2__

(tell) you something about __3__ (my) village school and Nigerian children.

     I come from Eniwafi, Nigeria. I am an Olympic wrestler. I came to Canada in 1994 and __4__ (live)

here since then. My favorite food is fried chicken. My favorite sport is wrestling. But I also like soccer

and __5__ (run). I __6__ (win) a gold medal in the 2000 Sydney Olympics. The school in my village in

Nigeria is very old and small. It has very few school supplies . The children's parents have __7__ (make)

desks and chairs for their children. When it rains, the children get wet. So I want __8__(build) a new

school. Nigerian children are like children everywhere. They work hard at school and love to play games.

I am very __9__ (please) with you will do to help me. Please give my best _10__  (wish) to your friends.

                                                                                                                                    Sincerely,

                                                                                                                                    Daniel      

有关急性腹膜炎的临床特点，下列错误的是（）

A.绝大多数为继发性，腹内脏器病变、穿孔、感染和炎症、外伤、出血为主要病因

B.可发展为弥漫性腹膜炎、形成腹腔脓肿、合并肠麻痹、造成体液代谢紊乱

C.主要为阵发性腹痛，持续性腹胀，伴食欲缺乏

D.腹膜刺激征可表现为全腹性和局部性，在原发病灶处尤甚

E.可采取保守治疗和手术治疗，大多数需急诊手术

计算轮系的传动比，不但要确定它的数值大小，而且要确定它的符号。

琴棋书画中的画是指？

某公民甲，22周岁，未婚，在登山旅游时跌落山崖，后被宣告死亡。但是，甲某没有死亡，而是失去记忆，在当地与村民乙结婚。对此，根据《民法通则》的规定，甲某这一婚姻的效力状况为______。

A．宣告死亡期间有效，人民法院撤销宣告死亡后成为无效
B．宣告死亡期间无效，人民法院撤销宣告死亡后才有效
C．自始有效
D．自始无效