May Day is coming. What plan do you have for it, Eric?

I’m going to Yunnan.  1  .

Really? Great. Are you going with your parents?

  2 .So I’m going with my mother. What about you?

 3 But my parents say it’s dangerous.

Then what are you doing?

A.   4  .

B.   Great. You can visit Cambridge University—my favorite university. But the weather there is changeable(多变).  5

男性，48岁，劳累后胸痛发作，疑为心绞痛，心电图依据是（）

A.窦性心动过速

B.ST段下移，T波低平、双向、倒置

C.ST段呈短暂的抬高形成单向曲线

D.T波高大

E.左心室肥厚劳损