大型焰火燃放活动等级由高到低分为Ⅰ级、Ⅱ级、Ⅲ级、Ⅳ级等四级。
参考答案:错
糖尿病微血管病变的典型改变是()
A.糖尿病肾病、视网膜病变、心肌病变
B.微循环障碍、微血管瘤、基底膜增厚
C.结节性病变、弥漫性病变、渗出性病变
D.单纯性病变、增殖性病变
E.血流动力学改变
After the military parade(阅兵) at the Tian’anmen Square, the soldiers and the equipment returned _____ they belong.
A.the place
B.where
C.there
D.what