神经系统结构和功能的基本单位是____ ，神经调节的基本方式是____ ，完成这种活动的结构叫____ ．包括五部分____ 、____ 、____ 、____ 和____ ．

    What do you do at the weekends? Some people like to1 at home. But others like to go for a walk2 play football. My friend Jack works hard in a factory on3. At the weekends he always 4 different things. On Saturday he5 his car and on6 he goes with his family to a village by car. His uncle and aunt have a farm there. It's not a7 one, but there's always8 to do on the farm. The children help with the animals and give them their9. Jack and his wife help in the field. At the end of the day, they are all10 and want to have a big meat very much.

日、韩、新三国在经济全球化趋势中迅速崛起的共同经验是
①进行广泛的社会改革      ②适时制定和调整经济发展战略
③接受市场经济制度      ④重视发展科技和教育

用CO通过下列方法可以合成甲醇。

①CO₂(g)＋2H₂O(l) === CH₃OH(g)＋ $\frac{3}{2}$ O₂(g)　ΔH₁＝+764.5 kJ·mol^－1

②CO(g)＋ $\frac{1}{2}$ O₂(g)===CO₂(g)　ΔH₂＝－283.0 kJ·mol^－1

③H₂(g)＋ $\frac{1}{2}$ O₂(g)===H₂O(l)　ΔH₃＝－285.8 kJ·mol^－1

下列有关说法正确的是（    ）