【单选题】下列物质互为同分异构体的一组是
C.
CH 3 CH 2 OH和CH 3 OCH 3
【单选题】下列物质互为同分异构体的一组是
B.
CH 3 CH 2 OH和CH 3 OCH 3
【简答题】看图填空。1.We .We.2. This basketball is .This ping-pong is .3. This flower is. It is. 4. This flower看图填空。 1. We . We . 2. This basketball is . This ping-pong is . 3. This flower is . ...
【单选题】The more we looked at the abstract painting , _____.
【单选题】( 天津卷 )4. What we used tothink impossible now does seempossible.