哪种情况下左右两侧肺的通气大致相同()

A．清醒正常人坐位

B．清醒正常人仰卧位

C．清醒正常人直立位

D．清醒正常人侧卧位

E．上述均不对

根据下面一段对话内容，从下面选项中选出能填入空白处的最佳选项，其中两项为多余选项。 A: Oh, hi, Tess! I’m sorry. I’m thinking about something. B. （16）A. I am. I have a chance to go onatour. B. A tour What kind of tour A: A music tour. （17）B: Wow! That’ s great. They are pretty famous. A: （18）B: So you’re going to do it A: I don’t know. （19）B: It sure would! Where will the tour go A: （20）B: How long is the tour A: Four months. B: OK, wish you a happy travel! A: Thank you!

该处选项为（）。

A．This tour is the chance of lifetime．

B．It goes all over North America and South America．

C．It looks like you’re dreaming about something．

D．You’ll have to quit school and your job at the store．

E．My agent wants me to go on a tour with Art’s Jazz Band．

F．Have you told anyone about this yet

G．It would be a great opportunity!