小题1:Angry as he was
小题2:made it impossible
小题3: what they could
小题4: Having been separated
小题5:hadn’t fallen behind
小题6:equipped with
小题7:many of which或of which many
小题8:to reach the summit/top
小题9: 5 times the size of
小题10: was/were charged with
小题1:这道题使用的是as的倒装句，表示转折，adj+as+主谓，Angry as he was 虽然很恼怒
小题2:考查it做形式宾语的用法：make it+adj +for sb to do：made it impossible
小题3: what they could 是what引导的宾语从句，从句中省略了do。
小题4: Having been separated是现在分词的完成式做状语，澳大利亚和先辈分离，然后才有了这些植物和动物，用现在分词完成式的被动表示动作的先后关系。
小题5:if only但愿…就好了，后面的宾语从句用虚拟语气，和过去相反用过去完成时：hadn’t fallen behind
小题6:考查with复合结构：classroom和equip with是被动关系
小题7:考查非限制性定语从句：many of which或of which many都可以，其中很多
小题8:考查不定式做定语，修饰the first（序数词），to reach the summit/top
小题9:考查倍数：倍数+名词+of，5 times the size of
小题10:考查词组：was/were charged with被指控