潮汐
参考答案：
潮汐是海水位周期性涨落的现象潮汐是地球自转及日月引力所致。一般一个太阴日有两次涨落，白天的称潮，晚上的称汐，合称潮汐。
The nurse teaches the mother of an infant diagnosed with congenital hypothyroidism about daily oral levothyroxine sodium (Synthroid) therapy. Which of the following signs and symptoms would indicate an overdose
A. Anorexia.B. Constipation.C. Sweating.D. Sleepiness.
简述泌尿系结石
