患者女性，来诊时见颈部肿块。
若为弥漫性肿大，边缘不清，随吞咽上下移动，诊为（）
A.气瘿
B.肉瘿
C.筋瘿
D.瘿痈
E.石瘿
参考答案：A
图中正确反映北半球中低纬海区洋流流向的是
A、A
B、B
C、C
D、D
_____ does it take him to walk to the park every day? [ ]
A. How far
B. How often
C. How long
D. How much
