选择题：1.——I wonder if I could use your dictionary？ ——Sur

题目内容：

1.——I wonder if I could use your dictionary？ ——Sure. _____.
得分：5分
A.Go on.
B.Go ahead.
C.Go up.
D.Go away.

参考答案：

简述室性早搏的心电图特征性改变

中性点不接地系统发生单相金属性接地故障，中性点对地电位升高为（　　　）(本题1.0分)A、 ex_1276050293424_0.jpgB、 ex_12760

6. 平面与正圆锥面截交,当平面与锥面上一素线平行时截交线是( )。(本题2.0分) A、椭圆; B、双曲线; C、抛物线; D、直线。

– I hope that you and Susan can stop fighting and become good friends. – ______.

Even after repeated warnings Mr. Lewis still _____ on playing his music extremel