Ⅰ.阅读词汇·读懂
默想下面单词的词性及含义，不会的在□中做出标记并核对识记。
□1.loan □2.tailor □3.plastic
□4.narrator □5.narration □6.bet
□7.consulate □8.dare □9.mining
□10.beneath □11.odd □12.obligation
□13.nowhere □14.extent □15.opera
□16.dinosaur □17.sequence □18.clerk
□19.downstairs □20.stair □21.aside
□22.frown □23.indeed □24.element
□25.plot □26.ambassador □27.upperclass
□28.upper □29.external
