quid water and by the continuing controversy over suggestions that bacterial fossils rode to Earth on a meteorite from Mars.
沈芙嘉听出了宓茶语气中的沮丧，宓茶前两张的模拟卷分数不太理想，学了一整天，有点蔫蔫的，像只快要枯萎的蘑菇。
她用脸颊蹭了蹭宓茶，让她打起精神来，并在“The issue of whether、and whether、has been highlighted by、and by”这几个词组下面划了横线。
“这些就是句子的主干，主句主语the issue of后有两个并列的whether引导的宾语从句。by mounting evidence和by the continuing controversy over suggestions在主句中由and连接，为并列的方式状语，状语后各有一个that引导的同位语从句分别修饰mounting evidence和suggestions。”
“这句话的意思是