生男生女完全决定于母亲．______．

-3²-（-4）²+（-3）²-（-2）³

2011年8月13日在印尼万鸦老召开了东盟与中日韩（10+3）经贸部长会议和东亚峰会（10+6）经贸部长非正式会议。在会上，中国和日本提出了加快“东亚自贸区”（10+3）和“东亚全面经济伙伴关系”（10+6）的联合提案，建立亚洲区域范围自由贸易区的倡议再度被提上日程。亚洲区域范围自由贸易区建立[ ]

①有利于推动中国一东盟经济贸易发展，改变经济全球化以发达国家为主导的现状

②促使我国经济由自我发展向依靠国际社会发展转变

③为我国企业“走出去”提供机遇

④会进一步提高我国开放型经济水平

A、②③

B、①②

C、③④

D、①③

阅读理解。

     Dogs are social animals and without proper training, they will behave like wild animals. They will spoil

your house, destroy your belongings, bark excessively (过分地), fight other dogs and even bite you.

Nearly all behavior problems are perfectly normal dog activities that occur at the wrong time or place or

are directed at the wrong thing. The key to preventing or treating behavior problems is learning to teach

the dog to redirect its normal behavior to outlets that are acceptable in the domestic setting.

     One of the best things you can do for your dog and yourself is to obedience train (驯服) it.

Obedience training doesn't solve all behavior problems, but it is the foundation for solving just about any

problem. Training opens up a line of communication between you and your dog. Effective communication

is necessary to instruct your dog about what you want it to do.

     Training is also an easy way to establish the social rank order. When your dog obeys a simple request

of "come here, and sit", it is showing obedience and respect for you. It is not necessary to establish

yourself as top dog or leader of the dog pack (群)by using extreme measures. You can teach your dog

its subordinate (从属的) role by teaching it to show submission (服从)to you. Most dogs love performing tricks for you to pleasantly accepts that you are in charge.

     Training should be fun and rewarding for you and your dog. It can enrich your relationship and make

living together more enjoyable. A well-trained dog is more confident and can more safely be allowed a

greater amount of freedom than an untrained animal.

1. The author wrote the passage in order to       .

A. teach people on how to train the dog

B. remind people to give their dogs some proper training

C. warn people to avoid the wild dogs

D. tell the differences between well-trained dogs and untrained ones

2. What is the main idea of Paragraph 2?

A. Obedience training can make your dog obey your orders.

B. You should use effective methods to train your dogs.

C. Obedience training is essential to the dogs though it can't solve all behavior problems.

D. Effective communication is a must for your dogs.

3. A well-trained dog      .

A. accepts that you are in charge and shows obedience and respect for you

B. can understand whatever you want it to do

C. can make you more confident

D. will affect your social relationship

4. The author explains his idea mainly by     .

A. giving examples  

B. stating facts  

C. listing data    

D. answering questions

关于早期妊娠诊断的依据以下哪项是错误的：

A．配偶生殖功能正常

B．有停经史

C．有早孕反应

D．胞宫增大

E． * * 乳晕着色