辽宁省2022~2023学年第一学期高二期末质量检测(23048B)英语试卷答案,我们目前收集并整理关于辽宁省2022~2023学年第一学期高二期末质量检测(23048B)英语得系列试题及其答案，更多试题答案请关注微信公众号：趣找答案/直接访问www.qzda.com(趣找答案)

辽宁省2022~2023学年第一学期高二期末质量检测(23048B)英语试卷答案

以下是该试卷的部分内容或者是答案亦或者啥也没有，更多试题答案请关注微信公众号：趣找答案/直接访问www.qzda.com(趣找答案)

34.What do the researchers focus on doing now?A.Trying out new catalysts. B.Making full use of by-products.C.Exploring other sustainable fuels.D.Mass-producing their new device.

28.What do we know about the newly-found polar bears?A.They exist in large numbers.B.They have genetically changed.C.They do better in hunting seals.D.They survive longer without food.