人教版高二Unit 11 Scientific Achievement

let\'s do an exercise.
please look at the screen.
(teacher shows the following on the screen.)
find the right explanation for each word.
1. zone 2. significant 3. institute 4. achievement 5. announce
6. grasp 7. giant 8. perfect
a. something you have worked hard for and done well
b. to say something in public
c. to take hold of something firmly
d. a group of people who want to study a special thing, or the building used by such a group
e. without any fault or bad points
f. large and important; having a special meaning
g. unusually large person, animal, plant, business organization, etc.
h. area or region with a particular fea¬ture or use
suggested answers: l.—h 2.—f 3.—d 4.—a 5. —b 6.—c 7. —g 8. —e
step iii word study
page 5. we\'ll deal with word study. first, word study. then, word formation. look at the exercise in word study now. choose the answer that is closest in meaning to the underlined part. first, do it by yourself. then check the answers with your partner. in the end, col¬lect the right answers.
suggested answers:
la 2.b 3. c 4. b 5. c 6. a 7. b 8. c
step iv word formation
word formations
1. introduce the main ways of word formation: (the following may be of help during your teaching)
the main processes of english word-formation:
a. prefixation: disagree, unimportant, non-smoker, minibus, overuse, antibiotics, underdeveloped, post-war, pre-school, renew, bimonthly, multi-racial;
b. suffixation: percentage, girlhood, londoner, hostess, employee, puzzlement, hopeless, changeable, talkative, deepen;
c. conversion: desire—v. to long for, to wish/ n. strong longing, earnest wish; hit—v, to give a blow/ n. blow; they downed the tools.
d. compounding: deadline, above-mentioned, chewing-gum, sun-bather, table talk, fathead, redcap, easygoing, sleep-walk,
the minor processes of english word-formation:
e. clipping or shortening: phone (for telephone), ad (for advertisement), prof (for professor), flu (for influenza), pub (for public house);
f. acronyms(首字母縮略詞): un, vip, nato,da (doctor of arts) , h-bomb (hydrogen bomb);
g. blending: branch, motel, eurasia,
h. back-formation: to beg from beggar, to baby-sit from baby-sitter, to greed from greedy.
i .forming new words by analogy:
moonrise is derived from the word sunrise by analogy.
j. onomatopoeia:
bark, giggle, bang, murmur.
2. ss study examples on p6 and see if they can tell the processes of the words.
study word formation. first, look at the words on the screen. (teacher shows the following on the screen.)