某数的3倍等于该数的2倍加3，设某数为x，则可列出方程______．
设某数为x，由题意得：
3x=2x+3，
故答案为：3x=2x+3．
Just like a voyage at sea, our life, ______ days are limited, is full of uncertainties. [ ]
A. which
B. that
C. its
D. whose
某女，24岁，17岁月经初潮，周期是3～6个月，近10个月闭经。经医生检查诊断为多囊卵巢综合征。下列药物治疗中哪一项不恰当()
A．短效避孕药
B．地塞米松
C．促性腺激素释放激素激动剂
D．氯菧芬胺(克罗米芬)
E．甲状腺素片
