我国面积最大、深度最深的海是()。
A、南海
B、黄海
C、渤海
参考答案:A
Lots of trees ________in our city over the years. It is becoming greener and greener!
A.are planting
B.have planted
C.will be planted
D.have been planted
急性肾小球肾炎的诊断依据中最关键是()
A.急性肾衰竭
B.高血压
C.血尿及红细胞管型尿
D.多尿
E.蛋白尿及透明管型尿