1，复习
1,democrat, a person who believe democracy
2,detect,discover.
3,disemminate,spread.
4,flamboyant,
adj,very bright
or show off.
5,enrolment,the act of putting someone in official member.
6,folklore,the traditional stories.
7,hatch,break,chicken.
8,incessantly,never stop.
9,instruction,guide.
10,larva,a young period of insect.
11,lease,v,to lend something to earn money.
n,a legal protect for lend something.
12,meteorology, the study of weather.
13,pore,very small hole in your skin.
pure...
14,prerequisite,something must happens that something could happen.
15,prolifc,a writer can write many works.
16,punctual,happen very correct time
17,puncture,,make a hole.
18,rust,reddish subject from iron.
19,saturate,make something wet/moist.
20,slumber,sleep.
21,strand,a thin thread of something.
22,swan,tian e.
23,underscore,underestimate.
24,viable,able to do .
25,captivity,the noun of capture.
26,column, block of papers.
27,commemorate,to remember officially.
28,accredit,officially accept.
29,cosmos,universe.
30,dehydrate,to lose water