题目

春末夏初，我国长江中下游地区梅（霉）雨天气的形成，主要是（ ） A、冷锋的影响B、暖锋的影响   C、准静止锋的影响D、西风的影响 答案：CI was given three books on cooking, the first _____ I really enjoyed. [     ]A. of that B. of which C. that D. which