1．(2019年江苏卷·单项填空)Scientists have obtained more evidence ________ plastic is finding its way into the human body.
2．(2019年天津卷·阅读理解B)I always wanted to know ________ my mom was reading.
3．(2019年北京卷·阅读理解B)With that in mind, Moore asked her dad ________ she could start her own candy company.
4．(2019年江苏卷·阅读理解B)It had been known for a long time ________ Yellowstone was volcanic in nature—that's ________ accounted for all its hot springs and other steamy features.
5．(2019年江苏卷·任务型阅读)It seems obvious ________ evolution should select for larger brains.
