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When 19-year-old Sophia Giorgi said she was thinking of volunteering to help the Make-A-Wish Foundation (基金会),nobody understood what she was talking about.But Sophia knew just how important Make-A-Wish could be because this special organization had helped to make a dream come true for one of her best friends .We were interested in finding out more,so we went along to meet Sophia and listen to what she had to say. Sophia told us that Make-A -Wish is a worldwide organization that started in the United States in 1980.“It's a charity(慈善机构)that helps children who have got very serious illnesses.Make-A-Wish helps children feel happy even though they are sick, by making their wishes and dreams come true ,” Sophia explained . We asked Sophia how Make-A-Wish had first started.She said it had all begun with a very sick young boy called Chris ,who had been dreaming for a long time of becoming a policeman .Sophia said lots of people had wanted to find a way to make Chris's dream come true—so, with everybody's help, Chris, only seven years old at the time,had been a “policeman” for a day.” When people saw how delighted Chris was when his dream came true, they decided to try and help other sick children too,and that was the beginning of Make-A-Wish,” explained Sophia. Sophia also told us the Foundation tries to give children and their families a special, happy time.A Make-A-Wish volunteer visits the families and asks the children what they would wish for if they could have anything in the world.Sophia said the volunteers were important because they were the ones who helped to make the wishes come true. They do this either by providing things that are necessary,or by raising money or helping out in whatever way they can. 小题1:Sophia found out about Make-A-Wish because her best friend had________. A.benefited from it B.volunteered to help it C.dreamed about it D.told the author about it 小题2:According to Sophia,Make-A-Wish________. A.is an international charity B.was understood by nobody at first C.raises money for very poor families D.started by drawing the interest of the public 小题3:What is said about Chris in Paragraph 3? A.He has been a policeman since he was seven. B.He gave people the idea of starting Make-A-Wish C.He wanted people to help make his dream come true. D.He was the first child Make-A-Wish helped after it had been set up. 小题4:Which of the following is true about Make-A-Wish volunteers? A.They are important for making wishes come true. B.They try to help children get over their illnesses. C.They visit sick children to make them feel special. D.They provide what is necessary to make Make-A-Wish popular.
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【单选题】断路器在合闸位置时,允许通过的短路电流最大峰值,称为( )。
A.
imax
B.
INbr
C.
ies
D.
ich
【多选题】人的一生,智商决定未来的 、情商决定未来的 ,动商则决定了未来的 。
A.
高度
B.
广度
C.
远度
D.
速度
【单选题】放大器的反馈是指()。
A.
将信号送到输入端
B.
将信号送到输出端
C.
将输入信号送到输出端
D.
将输出信号送到输入端
【单选题】将系统(环节)的输出信号经过变换、处理送到系统(环节)的输入端的信号称为( )。
A.
输入信号
B.
反馈信号
C.
偏差信号
D.
扰动信号
【单选题】对于应当经集体讨论决定的事项而未经集体讨论的,也未征求其他成员意见,由个人或少数人决定的,除遇紧急情况外,应当区别情况追究的责任。( )
A.
分管领导
B.
主要责任人
C.
主要科室
D.
主要部门
【判断题】对于应当经集体讨论决定的事项而未经集体讨论,也未征求其他成员意见,由个人或少数人决定的,除遇特殊情况外,应当区别情况追究主要责任人的责任。( )
A.
正确
B.
错误
【简答题】将数字输入信号与系统的控制信号关联起来,就可以对系统进行控制。请写出建立系统输入“电动机开启”与数字输入信号di1关联的步骤。
【单选题】是指将系统(环节)的输出信号经过变换、处理送到系统(环节)的输入端的信号。
A.
输入信号
B.
反馈信号
C.
输出信号
D.
终止信号
【单选题】调节增益可改变( )。
A.
输出信号电压
B.
输入信号电压
C.
输出信号电流与输入信号电流之比
D.
输入信号电压与输出信号电压之比
E.
输出信号电流
【判断题】伺服控制系统的比较环节是将输入的指令信号与系统的反馈信号进行比较,以获得输出与输入间的偏差信号。()
A.
正确
B.
错误
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