1 . The sensors can detect anything a________ and automatically call someone to come to fix it. （根据首字母单词拼写）

2 . They have one a________ (不正常的)gene from that parent and one normal gene from the other parent. (根据中英文提示填空)

3 . This warm weather is a________ for February, when it is usually very cold. （根据首字母单词拼写）

4 . Studies show that kids living and studying in a harmonious environment are less likely to become .

A．abnormal	B．aggressive
C．alarmed	D．opposed