1，复习
1,hay,grass dried for horse.
2,hemisphere,half of the sphere.
3,hepatic,relating to liver.
4,relating to the measurement.
5,metropolitan,relating to big city.
6,pamphlet,brochure.
7,petition,a document signed by mang people for some actions.
8,refraction,the fact of light changing direction when pushing something.
9,retreat,withdraw.
10,sanctuary,shelter.
11,stanza,a group of lines.节
12,unravel,a knot seperated by many threads.
or illustrate.
13,absenteeism,a situation when worker should be at work but not.
14,concave,curving inward.
15,curious,want to konw everything..
16,decode,就是你想的意思.
17,dogged,very determined to do something.
18,design,to choose one officially as one job.
19,drowsy,a state between awake and sleeping.
20,elongate,make something longer,thinner.
21,mode,a way of operating.
22,monastery, a place for monks living.
23,hitherto,until now.
24,inanity,emptyness.
25,insulin,a kind of something ....胰岛素.
26,ornithology,the study of birds.
27,outright,complete.
28,realm,an area of an activity.
29,sac,safety bag,=safety sac.
30,satirical,irony