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问题 选择题

能正确表示下列化学反应的离子方程式是

A．氢氧化钡溶液与稀硫酸的反应：OH-＋H+＝H2O

B．澄清的石灰水与稀盐酸反应：　Ca(OH)2+2H+=Ca2++2H2O

C．铁丝插入硫酸铜溶液中：　　　Fe + Cu2+ =" Cu" + Fe2+

D．碳酸钙溶于稀盐酸中：　　　　CO32- + 2H+＝H2O + CO2↑

答案

答案：C

阅读理解

What is your wish for the New Year? The following is some children’s ideas.
John: I wish to be a better boy to Mum and listen to her more. I also want to get better grades in school.
Kate: My wish is to change my school as there’s too much to study in this school.
Ann: I wish I could spend more time with Mum. She should stop working at the bank and take up a job at our neighbourhood toy shop.
Peter: I wish someone would find a way to help me walk with my only leg, so I can take part in activities and sports that I’m unable to do now.
Mary: I wish that I could save all my money, so I could buy presents for my mother, father and big sister on their birthdays.
Bob:  I wish for good health though I’m badly ill. I want to finish high school and take an IT course after.
Mark: I wish I could get more money to fix our house. There is a big hole in the wall and big mice run inside the room.
小题1:How many children can you find in the passage?
A．seven.B．Four.C．Three.D．six.
小题2:Who is badly ill among the children?
A．Kate.B．Peter.C．Mary.D．Bob.
小题3:What’s Mark’s wish?
A．To get better grades.B．To change his school.
C．To buy some presents.D．To fix their house.
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单项选择题

Which of the following is not the result of using an straight line depreciation method instead of accelerated depreciation method in the early years of asset's life

A．

A. lower depreciation expense.

B．

B. higher assets.

C．

C. lower net income.
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