有一位同学做了一个有趣的实验，将涡虫截成三段进行培养，结果形成三只涡虫，此种现象称[ ]
A．再生
B．断裂生殖
C．分裂生殖
D．人工繁殖
答案：A
郑西高铁直供区段的吸上线及AT区段的PW线与扼流变压器（含空扼流变压器）相连时，（）由电务部门管理；（）由供电部门管理。
根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
小题1:In spring, we can see green (leaf) and grass everywhere.
小题2:Mother Teresa was born in Macedonia, Europe. She was the (young) of three children of the family.
小题3:You’d better go home to see your parents (two) a week. They need more care.
小题4:The doctor advised me to eat (healthy) and exercise a lot.
小题5:CCTV is starting a project (call) “Looking for the most beautiful country teachers”.
小题6:—Mr Zhang, could I (borrow) your dictionary?
— Yes, you can.
小题7:Many trees (plant) in my hometown every year.
小题8:Miss Lee (teach) us English since she came here three years ago.
