写出下列字符含义。()BOD()A/O()SV
参考答案:生化需氧量;缺氧-好氧生物脱氮工艺;污泥沉降比
Do you feel a little sleepy after lunch? Well, that’s normal. You body naturally slows down then. What should you do about it? Don’t reach for a coffee! 小题1:__________, take a nap.
It’s good to take a daily nap. First of all, you are more efficient after napping. You remember things better and make 小题2:___________mistakes. Also, you can learn things more easily after taking a nap. A nap may increase your self-confidence and make you more creative. 小题3:_____________ may even cheer you up.
小题4:_____________, there are some simple rules you should follow. First, take a nap in the middle of the day, about eight hours after you wake up. 小题5:__________, a 20-minute nap is enough. 小题6:___________ you sleep longer, you may fall into a deep sleep. After waking from a deep sleep, you will feel worse. Finally, you should set 小题7:__________ alarm clock. That way, you can fully relax during your nap. You won’t have to keep looking at the clock so you don’t oversleep.
Now, the next time you feel sleepy after lunch, don’t get stressed. Put your head down, close your eyes 小题8:_________ catch forty winks.
在“十一五”期间,农业节水的基本措施中,不包括( )。
A.改造大中型灌区续建配套与技术B.改造小中型灌区续建配套与技术C.改造井灌区续建配套与技术D.改造大中型灌区和井灌区续建配套与技术