Ⅰ.匹配下列单词的词性及汉语意思
(  )1.attack                 A.vt.检查
(  )2.track                      B.v.&n.攻击;进攻
(  )3.length                     C.vi.&vt.生存,挺过(难关)
(  )4.examine                    D.n.足迹,踪迹
(  )5.dozen                      E.n.长度
(  )6.reserve                    F.n.力量,力气
(  )7.strength                   G.n.(一)打;十二个;十来个
(  )8.convince                   H.vt.使确信,使相信
(  )9.ancestor                   I.n.(动植物)保护区;储备
(  )10.survive                  J.n.祖先,祖宗
[答案] 1-5 BDEAG 6-10 IFHJC