从生物学角度，老年前期指（） A.55~64岁 B.65～74岁 C.75~84岁

阅读理解。

     In many English homes, people eat four meals every day: breakfast, lunch, tea, and dinner. People

have breakfast at any time from seven to ninc in the morning. They eat porridge, eggs or bread.  English

people drink tea or coffee at breakfast. Lunch comes at one o'clock. Aftenoon tea is from four to five

in the afternoon, and dinner is about half past seven.  First they have soup, and then they have meat or

fish with vegetables. After that, they eat some other things, like bananas,  apples or oranges.  But not all

English people like that.  Some of them have their dinner in the middle of the day.  Their meals are

breakfast, dinner, tea and supper, and all these meals are very simple.

1. Many English people have _________ meals every day.

A. two        

B. three          

C. four          

D. three or four

2. People may have _________ for their breakfast.

A. tea or eggs            

B. porridge, eggs, bread, tea or coffee

C. tea and coffee          

D. bread and eggs

3. People have lunch at _________.

A. any time    

B. nine          

C. five          

D. one

4. People don't have _________for their dinner.

A. porridge          

B. bananas and apples

C. soup and meat    

D. meat and fish

5. In some English homes dinner can come _________.

A. at one o'clock    

B. at any time

C. at noon    

D. in the morning

除了保证这种形式之外，合同的担保方式还有（）。

A.定金

B.预付款

C.抵押

D.质押

E.留置

( )是城市规划的核心。

A．社会经济发展

B．土地使用

C．生态可持续发展

D．区域规划、城市总体规划

铵梯炸药中木粉的作用？

以下说法正确的是（）

A、人民银行对各商业银行以法人为考核最高信用拆借资金余额

B、加入全国同业拆借市场的商业银行分行进行信用拆借、债券回购和现券交易的民事责任由该分行自行承担

C、商业银行法人内部机构之间也可以进行信用拆借、债券回购与现券交易

D、各商业银行要加强对授权分行的管理，建立严格的内部授权和外部授信制度，有效控制拆借风险