根据给定资料，以《文明执法，让城市生活更美好》为题目，自选角度，写一篇1000字左右

Complete the dialogue with proper words or sentences.

A: Good morning, madam!

B: Good morning, sir!

A: You look worried. (56)                            ?

B: My son got lost when I was talking with my friend in the park. I’ve looked for him everywhere, but I can’t find him. What shall I do?

A: (57)                   . Tell us something about him, and we can help you.

B: Thank you, sir.

A: Now please tell me (58)                      .

B: He’s six years old.

A: (59)                      ?

B: He’s thin and tall with big eyes.

A: What is he wearing today?

B: He’s wearing a white T-shirt and blue jeans.

A: (60)                      ?

B: It’s 13803677057.

A: OK. We’ll call you as soon as we find him.

B: Thank you very much.

本地未漫游使用12593拨打哪些地方的国际电话不是3元/分钟？（）

A.瑞士；

B.挪威；

C.巴西；

D.埃及；

沟蚀有哪几种类型？

设

D表示全平面，则I=

f(y-x²)dxdy=______．

L-G-L综合征的心电图特征是（）

A.P-R间期<0.12秒，QRS波群增宽

B.P-R间期<0.12秒，QRS波群增宽，有预激波

C.P-R间期正常，QRS波群增宽

D.P-R间期正常，QRS波群增宽，有预激波

E.P-R间期<0.12秒，QRS波群正常，无预激波