以下不属于强氧化剂的是什么？（） A.硝酸 B.三氧化铬 C.醋酸 D.高锰酸钾

阅读理解。

ad1. WANTED

     Are you hard-working? Do you like to meet people? If your answer is "Yes", then we have a job for you as a waiter. Call AL Hotel at 556779!

ad2. SUMMER JOB

     Do you like to talk with people? Do you like to write stories? If you want to work for our magazine as a reporter, please call Jack at 558366.

ad3. HELP WANTED

     Do you like babies? Can you look after one baby for two days? If you are sure to take good care of it, call us at 766588, $80 or more.

ad4. CLEANER WANTED

     Can you make a large house clean and tidy? If you hope to get the job paid at $20 once, call us this evening, 18:00-20:00.  Tel: 633800

1. The above (上面的) job ads are probably (可能) from ______.

A. a newspaper  

B. a storybook

C. a science book

D. a guidebook

2. If you like children and have two days free, you can call at ______ for a job.

A. 556779  

B. 558366

C. 766588

D. 633800

3. If the owner of the large house asks a cleaner to tidy his house twice (两次) a week, how much will the cleaner get in a month?    

A. $120

B. $160  

C. $200  

D. $240

4. ______ are needed in AL Hotel.  

A. Cleaner

B. Baby-sitters

C. Reporter

D. Waiter

5. If you're a college student of English and you enjoy writing, you will want the job in ______ during your summer holidays.    

A. ad 1    

B. ad 2    

C. ad 3  

D. ad 4

 约翰·密尔在《代议制政府》中指出：“议会由选举产生的议员组成，代表选民行使国家权力，这就是所谓的代议制。”近代欧美历史上最早确立代议制的法律文件是 [ ]

A． 《权利法案》         

B． 《独立宣言》        

C． 1787年宪法           

D． 《 * * 宣言》

混同：指法律上的两个主体资格归属于一人，无并存的必要，一方为另一方所吸收的关系。 根据以上定义，下列属于混同的是( )。

A．承包经营权人没有按承包合同的规定向集体组织交付承包收益时，集体组织可以撤销其承包权

B．房屋毁坏，房屋所有权消灭，所有人基于所有权的效力取得砖土瓦木等动产所有权

C．甲在其房屋上为乙设定抵押权，后来乙购买了该栋房屋取得其所有权，所有权与抵押权同归于一人，抵押权消灭

D．丙欠丁5万元，丙在其房屋上为丁设定抵押权，后丙还清欠款，抵押权消灭

人体可作为其中间宿主和终宿主的寄生虫是

A．利什曼原虫

B．间日疟原虫

C．旋毛虫

D．日本血吸虫

E．溶组织内阿米巴

社区的概念是什么？