门静脉压力正常值约为()kPa
A.0.27~1.36
B.0.36~1.27
C.1.27~2.36
D.1.36~2.27
E.2.27~3.36
参考答案:C
How much _____ this T-shirt? _____ seven dollars.[ ]
A. is; It's
B. are; It's
C. is; They're
D. are; They're
读图,完成下列各题。
B处在甲山顶的()方向,D、G两地的相对高度是()。