1.intricate a．復(fù)雜的(complex)

詞根記憶：in+tric（瑣碎，復(fù)雜）+ate--復(fù)雜的

例：As corporations begin to function globally, they develop an intricate web of marketing relationships.

同根詞：extricate(v.解救)

2.intrigue n.陰謀(secret scheme);v.引起興趣(to arouse the interest or curiosity of)

詞根記憶：in（使）+trigue(引出，引發(fā))--引起興趣

例：The fossil remains of the pterosaurs（翼龍）have intrigued paleontologists(古生物學(xué)者)for more than two centuries.

派生詞：intriguing(a．引起極大興趣的)

3.intrinsic a．固有的，內(nèi)在的(essential and inherent)

例：intrinsic value內(nèi)在的價(jià)值

4.introductory a．引導(dǎo)的(of, relating to, or being a first step that sets sth. going or in proper perspective);介紹的(serving as an introduction or preface)

詞根記憶：來自introduce(v.介紹)

例：Teachers of introductory courses in Asian American studies have been facing a dilemma nonexistent a few decades ago.

同根詞：introduction(n.介紹)

5.intuition n．直覺（quick and ready insight）；由直覺獲知的信息

詞根記憶：intuit(由直覺知道)+ion--直覺

例：Some practicing managers rely heavily on intuition.

派生詞：intuitive(a．直覺的)

6.intuitive a．直覺的(of intuition)

詞根記憶：來自intuit(v.憑直覺知道)

例：Managers cannot justify their intuitive decisions.

派生詞：intuitively( ad.直觀地：直覺地)

同根詞：intuition(n．直覺)

7.invade v.侵略，侵襲(to enter for conquest or plunder)

詞根記憶：in（進(jìn)入）+vad(走)+e--未經(jīng)允許走進(jìn)來--侵略

例；The girl's organs were invaded by parasites.

派生詞：invader(n．侵略者，侵入的人或物)；invasion(n．入侵，侵略)

8.invariant a．不變的(unchanging)

例：Consumers recognize that the quality of products sold under invariant brand names can drift over time.

9.inventory n.存貨(stock)

例：In an effort to reduce their inventories Italian vintners (葡萄酒商）have to cut prices.