下列有关克隆绵羊“多莉”诞生的叙述正确的是  (    )
①属无性繁殖 ②采用了核移植技术 ③采用了胚胎移植技术 ④采用了胚胎分割技术
⑤采用了胚胎体外培养技术 ⑥采用了体外受精技术

B

    We all need to exercise. Doctors say it is good for us. It makes our heart and body strong. It also gives you more energy(能量). And you will feel better about yourself. It's best to exercise twice a week. Twenty minutes each time is enough.

    There are many ways to exercise. You can walk, run, play sports or swim. Many people go to special places to exercise. They are called "fitness centers". These places have a lot of equipment(设备). Some people buy equipment for their homes. But it's very expensive.

    Exercising can be fun. Friends can exercise together at fitness centers. Or they can play sports together. How do you exercise? How often do you exercise?

                                                                                                            醉翁亭记（节选）
       至于负者歌于滁，行者休于树，前者呼，后者应，伛偻提携，往来而不绝者，滁人游也。临溪而渔，溪深而鱼肥；酿泉为酒，泉香而酒冽；山肴野蔌，杂然而前陈者，太守宴也。宴酣之乐，非丝非竹，射者中，弈者胜，觥筹交错，坐起而喧哗者，众宾欢也。苍然白发，颓乎其中者，太守醉也。

甘肃省地处____高原、____高原和内蒙古高原三大高原的交会处。

①依法行政是依法治国的重要环节

②宪法是实行依法治国的重要依据

③依法治国首先是依照刑法治理国家

④依法治国就要保证有法可依、有法必依、执法必严、违法必究