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．
搜题请搜索小程序“爱下问搜题”
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
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．
| 完形填空。 | ||||
| Cats have no emotions. At least, that's what my husband once claimed. I 1 that my two cats experience emotions. They feel anger, fear, and 2 . He agreed with me, but 3 his opinion that cats don't feel love. 4 , my tuxedo cat, Sebastian, would teach him otherwise. When my next-door neighbour moved in, he had a she cat named Juliet. She was an indoor lady, always watching 5 through the window. Then one day when I 6 my cat to the backyard for his playtime, Sebastian 7 Juliet gazing at him behind the window. It soon became 8 that they were attracted by each other. So every day thereafter, whenever I let Sebastian out, he would rush 9 to the backyard next-door and they would sit gazing 10 at each other through the screen, she inside, and he outside. Even my husband watched 11 , and he would murmur, "But cats can't feel love...can they?" Five months later, my neighbour had to 12 because of work. My heart sank. I wondered how Sebastian would 13 to Juliet's leaving. For months after Juliet moved away and the new neighbour moved in, I often 14 Sebastian sitting by Juliet's window, looking into the apartment 15 his lady. The new neighbour didn't mind having the "Peeping Sebastian" after I 16 his reason for being there. Sebastian 17 the small area outside that window as his territory. Other male cats were allowed in the 18 , but not near Juliet's window, which he guarded until his 19 . Even riow, when my husband and I walk through the backyard and see that window, he 20 me of the lesson Sebastian taught him... that cats do indeed fall in love. | ||||
|