Exercises:

I．1．C       2。A      3。C     4。B     5。A      6。B     7。D

II．Enlarge your Vocabulary.

Section A:

Group One: multi＝much,many多

multiangular a.多角的                                    〈angular角的〉

multiethnic a.涉及不同种族的                         〈ethnic种族的〉

multifactor a.多种因素的                                〈factor因素〉

multifarious a.多方面的；各式各样的

multiflorous a.多花的                                      〈florous花的〉

multilateral a.多边的；～ism多边贸易            〈lateral边的〉

multifold a.多倍的                                           〈fold倍〉

multiform a.多形的                                         〈form形式〉

multicoloured a.多色的                                   〈colour颜色〉

multinomial a.（数学）多项（式）的

multiply vi.增多；vt.乘                                    〈ply加〉

multiple a.复合的，多倍的；n.倍数

multispectral a.多光谱的                                〈spectr光谱〉

multitude n.大批，大众                                  ‖a ～ of许多

Key to Group Two: ante,anti＝前；以前

antechamber n.前厅，接待室                        〈chamber房间〉

antediluvian a.大洪水以前的，旧式的            <diluvial特大洪水的>

antemudance a.开天辟地之前的                  〈mundance世界的〉

antenatal a.出生前的                                     〈nat=birth出生〉

antenna n.触角；天线                                 〈-nna〉

antenuptial a.婚前的                                      〈nuptial=marriage〉

anterior a.以前的；在前面的（to）             ［反］posterior以后的

anticipate v.期待，预料;～ion预料                 〈cip=take取〉

Key to Group Three: penet(r)＝to enter into穿透，刺入

penetrate vt.穿过，刺入                                 ［同］pierce,permeate

penetrable a.可穿透的;～ility可透性

penetralia n.深处，内院；秘密的事情