Jason: Hi, Robert, how's everything with you？Robert: _____________, and how are you

Liu Hua: How do you do？ Mr. Lee. I'm Liu Hua from China Zhongtie Bridge Design Institute Co., Ltd.

Robert Lee: How do you do？ Mr. Liu. It's my pleasure to have you here with us in this ().

Liu Hua: I'm glad to have this opportunity to exchange ideas with you.

Robert Lee: Mary, you know, she is my (). Let me introduce the other colleagues here to you. Hi! Bob, I'd like you to meet the famous bridge(), Mr. Liu Hua.

Bob: Oh, my God. I'm so excited to meet you. May I introduce myself to you？

Liu Hua: Sure.

Bob: My name is Bob Jefferson. I'm Manager of Design Section. This is Dave Peterson, Manager of ()Department. Hi, Dave! Come on in.

Dave: Excuse me. You must be Mr. Liu Hua from China？

Liu Hua: Yes, nice to meet you.

Dave: Nice to meet you too.

Mary: Hi, everyone, the meeting room is ready, let's go on through. This way, please.

A.圆锥隔型

B.膜周型

C.肌部型

D.室上嵴下型

E.双动脉干下型

A.HF和HI

B.HBr和HI

C.H

D.HBr和HI

E.HF和HBr

A.HCl;

B.HI;

C.HBr;

D.H

E.

A.{ HI→M,HK→J,HN→I,K→J,I→K}

B.{ HI→M,HK→L,HN→I,K→J,I→K}

C.{ HI→J,HI→F,HK→J,HK→L,HN→I,I→K,K→J}

D.{ H→M,I→M,HK→L,H→I,N→I,K→J,I→K}

A、HF——HI

B、H₂O——H₂Se

C、NH₃——H₃As

D、NH₃——H₂O

A.HI>HBr>HCl>HF

B.H Te>H Se>H S>H O

C.NH >AsH >PH

D.CH >GeH >SiH