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问题 填空题

点A(1,2)向右平移2个单位得到对应点A′,则点A′的坐标是____

答案

（3,2）

由点A的平移规律可知，此题规律是（x+2，y），照此规律计算可知点A’的坐标是（3，2）．

本题考查图形的平移变换，在平面直角坐标系中，图形的平移与图形上某点的平移规律相同

阅读理解

阅读理解。

        This is a photo of a family.  The father's name is Jim.   The mother's name is Sara.  The father is

  forty-five and the mother is forty-two.  Sara is an office worker and Jim is a doctor in a hospital.  They

 have a son and a daughter.  They study in No. 8 High School.  The son is in Class 7,  Grade 7. The

 daughter is a student of Class 2,  Grade 8. The son is Tony and the daughter's name is Betty.  It's a happy

  family.

1. How many people are there in the family? 

    ____________________________

2. How old is Sara? 

    ____________________________

3. What is Sara's job?

    ____________________________

4. Where does Jim work? 

    ____________________________

5. What class is Tony in? 

    ____________________________
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单项选择题

急性心肌梗死并发室性心动过速

A．维拉帕米
B．洋地黄
C．阿托品
D．利多卡因
下列疾病时宜选择的治疗药物为
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