【单选题】I hope to go to Mexico. I love the place the people are really friendly and warm. [ ]
【简答题】下列化合物的沸点相比较,前者低于后者的是( )。 A.乙醇与氯乙烷 D.H 2 O与H 2 Te
【单选题】It is ________ the pupils do in their spare time ________ really prepares them to take their place in society as citizens when they grow up.
【简答题】排列下列化合物与卢卡斯试剂作用的快慢顺序。 (1)叔戊醇 (2)苄醇 (3)戊醇 (4)2-戊醇
【单选题】---I really hate to go to such a noisy place. ---______.
【简答题】不同的人对健康、财富与幸福的看法不同。 2.健康、财富与幸福的关系。 3.保持乐观的心态十分重要。