新人教版英语必修一词汇过关检测Unit 5

新人教版英语必修一词汇过关检测Unit 5，扫描并关注下面的二维码，获取相关答案！

人教版英语必修一词汇过关检测Unit 5 【基础巩固练习】 一.读准单词,并说出汉语意思 1.billion / ?b?lj?n / n.??________ 2.native / ?ne?t?v / adj.?________ n. ________ 3.attitude / ??t?tju:d ；?NAmE?'?titu:d/ ?n.?________ 4.reference / ?refr?ns / n.?________ 5.refer/r??f?:（r） / vi________ ?vt. ________ refer to?________ 6.system / ?s?st?m / ?n. ________ 7.civilisation [NAmE?-ization] /?s?v?la??ze??n / ?n.?________ 8.despite / d??spa?t / prep. ________ 9.ups and downs?________ 10. factor / ?f?kt?（r）/ n. ________ 11. base /be?s/ vt. ________ n. ________ 12.based /beist/?adj. ________ 13.date back to ...?________ 14.bone / b??n / n.?________ 15.shell?/?el / n. ________ 16. symbol / ?s?mbl / n.?________ 17.carve / kɑ:v / vt. & vi ?________ 18.dynasty /?d?n?sti； ' dai-/?________ 19.variety ?/v??ra??t?/ ?n. ________ 20. major ?/ ?me?d??