孕晚期心理保健的重点是通过对生活、工作和休息的适当调整，保持良好的心理状态。
参考答案：错
She went to the bookstore and bought _____.[ ]
A. dozen books
B. dozens books
C. dozen of books
D. dozens of books
善于利水消肿，治疗水肿的药物为
A．三七B．斑蝥C．五灵脂D．莪术
