证券公司从事证券经纪业务，不得委托证券公司以外的人员作为证券经纪人，代理其进行客户招

在一杯40克的开水中加入6克白糖，含糖率是______%，如果再加入糖______克，含糖率是20%．（对后一问，较难）

环境的化学自净作用不包括（）

A.氧化

B.水解

C.凝聚

D.吸附

E.还原

无症状柏油便表示消化道出血量约每日

A．20ml

B．40ml

C．60ml

D．80ml

E．100ml

A new law helps people with disabilities. The law says that people with disabilities must be able to get into and out of all public buildings. It also says that business must offer special services to people who have special needs. Companies can not refuse to hire disabled workers. Many businesses may have to change their buildings and services.

—Ramps (坡道) must be built so people can get into buildings.

—Movie theatres must have space for people in wheelchairs and seats for their friends to sit near them.

—Elevators (电梯) must have floor number in Braille.

This law will help millions of people. One woman who has been in a wheelchair for many years said,“It is like a dream.”

小题1:According to the passage we can see that     .

A．it will be difficult for the normal persons to get into the public buildings

B．the buildings of all the businesses will have to be changed

C．Most businesses used to offer special services to people who have special needs

D．it was difficult for the disabled workers to find jobs in the past小题2: Ramps can help people     .

A．with hearing problems

B．who have difficulty in using their hands

C．who have difficulty in using their legs or feet

D．who don’t like stairs小题3:The fact that the new law has been passed shows that______.

A．the government has paid no attention to the disabilities

B．the government wants to help these disabilities

C．normal people show mercy to the disabilities

D．companies will hire millions of disabled people

电流方向随时间改变的电流是（）

A、直流电

B、交流电