1. [舉一反三]根據(jù)已知單詞的詞義推斷出其同根詞的詞義。
exclusion n.排斥；排外→① exclusionary a.
→② exclusionism n.
→③ exclusionist n.
2. [由此及彼]根據(jù)已知詞義求出未知詞義。
已知：conclusive a.最后的；決定性的
求：inconclusive 的詞義
3. [同義相連]將左欄中的單詞和右欄中相對應的詞義連接起來。
① preclusion a.包括；包含
② seclusion b.排除；排斥
③ inclusion c.預防；消除
④ occlusion d.隔離；隱居
⑤ exclusion e.閉塞；堵塞
4. [節(jié)外生枝] claus和clos都是clus的異體。分析下列單詞的含義。
① clause n.條款；從句
clausal a.從句的
② close v.關閉
closet n.私室
③ disclose v.揭發(fā)；泄露
disclosure n.揭發(fā)；泄露
④ enclose v.圍?。环馊?/p>
enclosure n.圍繞；封入物
⑤ exclosure n.有柵欄的圍地
18. cord [L]=heart心
常用詞accord，concord，discord和record等，都以詞根cord為基礎。cord源于拉丁名詞cor的屬格（即所有格）形式cordis的詞干部分，意義等于英語基本詞heart（心）。
accord [ac-(ad-)=towards向；cord=heart心→“a heart towards another heart 心心相向”→] I n. agreement, or harmony 一致；和諧：Our opinions are in accord.我們的意見一致。→Ⅱv. be of one heart, or agree與……一致：His opinions accord with mine.他與我觀點一致。
▽accordance [accord;-ance n.] n.一致
accordant [accord;-ant a.] a.一致的
according (to) [accord;-ing a.] a.與……一致的；根據(jù)……
concord [con-(com-)=together共同；cord=heart心→“a heart together with another 心心與共”→] n. the state of having the same heart, or agreement, or harmony 同心；一致；和諧：The old couple live in concord.這對老夫妻相親相愛。
▽concordance [corcord;-ance n.] n.和諧；一致
concordant [concord;-ant a.] a.和諧的；一致的
discord [dis-=apart離；cord=heart心→“a heart apart from another心心相離”→] I n. disagreement, or opposition of views不一致；不和：The couple split up after years of discord.吵了幾年，這對夫妻分手了。→Ⅱv. disagree, or quarrel 不和；爭吵：They often discord with each other.他們經常鬧矛盾。
▽discordance [discord;-ance n.] n.不和；爭吵
discordant [discord;-ant a.] a.不和的；爭吵的
record [re-=back回；cord=heart心→“back in the heart回到心里”→“to put in the heart again, as by writing it down 記下來以便回憶”→] I v. write down in permanent form記錄，記載：A great event like this should be recorded.這樣的大事應該記錄下來。→Ⅱn. recorded permanent account記錄，記載：original records原始記錄材料
▽recordable [record;-able a.] a.可記錄的
recorder [record;-er n.] n.錄音機；記錄員
recordist [record;-ist n.] n.錄音員
cordial [cord=heart心；-i-; -al a.=pertaining to……的→“pertaining to one's heart內心的”→] a. hearty or sincere衷心的；誠心的：cordial congratulations衷心的祝賀
▽cordiality [cordial;-ity n.] n.熱誠，誠心
cordiform [cord=heart心；-i-;form n.=having the shape 有……形狀的→] a. having the shape like a heart心形的：a cordiform leaf心形葉片
obcordate [ob-=reversed 倒轉的；cord=heart 心；-ate a.=having有……性質的→] a. having the shape like a reversed heart倒心形的：an obcordate leaf倒心形的葉片
