【单选题】王某,33岁。婚后1年未孕,18岁初潮,平素月经规律,无痛经,夫妇双方进行不孕症相关检查后示:女方一侧输卵管通而不畅。妇科查体:子宫后位,正常大,双附件未见异常,男方一次检查a+b级精子活力为40%。 患者不孕的原因可能是
【判断题】A free-trade area removes trade barriers between member countries, but allows the member countries to maintain their own trade barriers against trade with nonmember countries.
【单选题】-名已满18 岁的学生办理了新版的港澳居民来往内地通行证,该证的有效期是( )年p297
【单选题】下列哪个方法不能与方法public void add(int a){}重载()
B.
public void add(double b)
C.
public void add(int a,int b)
D.
public void add(float g)