以下除哪项外均为股肿特点：
A．患肢肿胀
B．深静脉走行区压痛
C．浅静脉怒张
D．可伴发热
E．患肢发凉，麻木
参考答案：E
53. --- Please tell me how to work out this maths problem.
--- Use your ______ , then your find a way.
A．heart
B．brains
C．hand
D．Mind
—Are there any balls under the chair? —________.
A．Yes, there is
B．Yes, they are
C．Yes, there are
D．No, there are
