【简答题】英译汉 Branched hydrocarbons: For branched hydrocarbons, IUPAC rules dictate that the longest continuous carbon chain be identified as the root, with branching groups named as alkyl substituents. An alky...
【简答题】(1) Salmon may migrate thousands of miles, but no matter how far they go, they finally return to the rivers in which they were spawned, to produce the next generation. (2) Their journey is an amazing ...
【简答题】.单项选择。 ( )1. Lucy is Canada with her aunt next month. A. go B. going C. going to D. goes ( )2. The Great Wall is the wall in the world. A. long B. longer C....