下列不是青春期独立性和依附性矛盾表现的是()。
A.与家庭联系逐渐疏远
B.对老师教导产生质疑
C.出现品行问题
D.千方百计寻找独立天地
E.对父母的态度矛盾
参考答案:C
It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
A.produced
B.producing
C.to produce
D.having produced
检测血管壁功能试验()
A.束臂试验
B.凝血酶时间测定
C.KPTT试验
D.BT
E.CT