由于靶细胞对PTH反应缺陷(PTH抵抗)，致甲状旁腺增生，PTH分泌增多，称为继发性

Mary and Donald Smith lived in the same building.Donald 41 a toy company.One day Donald gave Mary. the 4-year-old girl.a new toy.She played with it and said. "This is fun! A few weeks later Donald gave her 42 toy. She played with it and then said."I'm not 43 in this toy. It doesn't work."For years Donald gave Mary new toys.  and she gave him very good   44   about the toys.
When Mary was 13 years old. Donald showed her a new ball.Mary wanted to 45 the ball with small stones to make it 46 .The company made this change.Mary's idea was a great success! The company sold thousands of the balls.
That Christmas. Donald gave Mary an  47 gift.He made her vice-president(副总裁) of the toy company.She made $200,000 a year.Her job was lo see 48 the new toys were fun.She worked 49 three or four hours a day at her job,then she had to do her homework.
Today Mary works at a college. The little vice-president with bright ideas helps students think about their 50.
小题1:A.owned       B. rioted       c.owns      D.closes

小题2:	A．other B．other C．the other D．another

小题3:	A．excited B．interested C．relaxed D．bored

小题4:	A．ways B．designs C．questions D．ideas

小题5:	A．fill B．full C．add D．pour

小题6:	A．noisy B．quiet C．light D．future

小题7:	A．special B．awful C．amazing D．useful

小题8:	A．when B．if C．as D．since

小题9:	A．BI B．in C．for D．with

小题10:

A．company B．toys C．homework D．future