2012年公共英语五级词汇巩固练习四十二
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26. ________ the help of their group， we would not have succeeded in the investigation. A) Besides B) Regardless of C) But for D) Despite 27. ________ much is known about what occurs during sleep， the precise function of sleep and its different stages remains largely in the realm of assumption. A) Because B) For C) Since D) While 28. John doesn‘t believe in ________ medicine; he has some remedies of his own. A) standard B) regular C) routine D) conventional 29. Owing to __ competition among the airlines， travel expenses have been reduced considerably. A) fierce B) strained C) eager D) critical 30. In Africa， educational costs are very low for those who are __ enough to get into universities. A) ambitious B) fortunate C) aggressive D) substantial 26-30 CDDAB 相关资料 |
