【简答题】胎盘的合成功能表现在合成的甾体类激素是__________、__________。
【单选题】This is a far from _________ book -- it is a rich mix of pleasures and information, and is full of surprises.
【简答题】列举曲面之间的三种常见连续关系,并写出分别对应的判断条件。
【简答题】______说明了固定相颗粒粒度、流速、柱温等对柱效、峰扩张的影响。
【简答题】This is a far from s_______ book -- it is a rich mix of pleasuresand information, and is full of surprises.
【简答题】This is too far difficult a job for one fresh from college.