题型:问答题 简答题 看一看,选一选。( ) 1. a peach A. ( ) 2. an orangeB. ( ) 3. a bananaC. ( ) 4. a pearD. ( ) 5. a watermelonE. 查看答案
题型:问答题 简答题 . Little ______ about her own safety, though she was in great danger herself.A.did Rose care B.Rose did careC.Rose does careD.does Rose care 查看答案
题型:问答题 简答题 化学上常采用燃烧法测定有机物的组成.现取4.6克某有机物在足量的氧气中充分燃烧,生成8.8克的二氧化碳和5.4克水,则该有机物的化学式可能是( )A.CH4OB.CH4C.C2H6D.C2H6O 查看答案