It's hot this summer. ________, it was ________ hotter last summer.
A:However; very
B:Although; very
C:However, even
D:Although; even
图中表示一段时间内某植物叶片吸收二氧化碳与光照强度关系示意图.以下分析正确的是( )
仔细区分,组成词语写下来。相信细心的你一定行。
殊____ 步____ 救____ 跋____
珠____ 涉____ 球____ 拔____