湛江市2021届高中毕业班调研测试题英语答案

11.【答案】B【解题思路】本文主要介绍了新的 walking shark种类的发现以及它们的特点等,因此B为最佳选项2.【答案】D【解题思路】根据第一段中“ it helps gasoline burn more cleanly”可知答案3【答案】C解题思路】根据第二段中“ And although chemical reactions often make many unwantedbyproducts, this new one does not. More than 90 percent of the final product is ethanol. " H]知答案14.【答案】A【解题思路】根据第三段中“ By firing powerful X- rays at then, the research team couldmonitor the chemical reaction as it happens’.”可知答案15.【答案】B【解题思路】根据最后一段中“ Although many scientists describe the new process as‘veryCoOl’, they are still a bit skeptical.”和 Anna klnova所说的“ a closer look at the reaction isneeded”可以推断出答案