问题
选择题
在数轴上把数2对应的点移动3个单位后所得的对应点表示的数是( )
A.5
B.-1
C.5或-1
D.不确定
答案
若把数2对应的点向右移动3个单位后所得的对应点表示的数是2+3=5;
若向左移动3个单位后所得的对应点表示的数是2-3=-1.
故选C.
在数轴上把数2对应的点移动3个单位后所得的对应点表示的数是( )
A.5
B.-1
C.5或-1
D.不确定
若把数2对应的点向右移动3个单位后所得的对应点表示的数是2+3=5;
若向左移动3个单位后所得的对应点表示的数是2-3=-1.
故选C.
When I settled in Chicago,my new city seemed so big and unfriendly. Then I had a problem and had to go to hospital for a check-up. It seemed a small compared to the one I was about to face, but things started to go right from the beginning. Not having a car or the city, I was depending on a couple of buses to get me from A to B. I’d left myself plenty of time, soon it was I was going to be late, as I had mistakenly got on a bus that was taking me in the direction. I the bus and stood on the pavement(人行道) not knowing what to do, I looked into the eyes of a , who was trying to get past me. , instead of moving on, she stopped to ask if I was . After I explained my to her, she pointed to a bus stop across the street, where a bus would take me back into the city to my . Sitting there waiting, I felt that someone had been willing to help. , hearing a horn (喇叭)nearby, I looked up to see a car with my new friend at me to get in. She had returned to offer me a to the hospital. Such unexpected from a stranger was a lovely gift to receive. As I climbed out of the car at the hospital and turned to thank her, she smiled and told me not to lose , for all things are possible.
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