根据对话内容，从方框内所给的选项中选出最佳选项，将其答案的序号写在方框下面的横线上,

题目内容：

根据对话内容，从方框内所给的选项中选出最佳选项，将其答案的序号写在方框下面的横线上,选项中有两项为多余项。

A: You must be really excited about leaving for America tomorrow, Li Ping!

B: Yeah.小题1:______

A: Nervous about what?

B: I don’t know many of the customs and manners in the USA.小题2:______

A: Sure.

B: 小题3:______

A: Well, it’s important to be on time when you’re invited for dinner.小题4:______ Americans expect their guests to be on time.

B: Then how long may I stay there?

A: 小题5:______ Or you seem to have come only for the meal.When your friends seem to be getting tired and running out of things, it’s time to leave.The next day, call or write a thank-you note to say how much you enjoyed the evening.

A.It’s good to stay at home for you.

B.After the meal, don’t leave at once.

C.Could you give me a hand?

D.What rules do they have in America?

E.But I’m a bit nervous.

F.You’re supposed to leave before the meal.

G.It’s impolitetoarrivelate.

最佳答案：

小题1:E

小题2:C

小题3:D

小题4:G

小题5:B

答案解析：

小题1:根据下文的Nervous about what?可以看出李平有些紧张。结合语境及所给单词,可知选E。

小题2:根据“我对许多美国的风俗和习惯都不懂”和下面的回答‘Sure.’可知此处是在寻求帮助。注意习惯用语‘give a hand’，意思是“帮一下忙”。结合语境及所给单词,可知选C。

小题3:根据下文it’s important to be on time when you’re invited for dinner.可知上文问的是风俗礼仪。结合语境及所给单词,可知选D。

小题4:根据下文Americans expect their guests to be on time.可知迟到是不礼貌的。结合语境及所给单词,可知选G。

小题5:根据问句‘Then how long may I stay there?’和下文’‘you seem to have come only for the meal’以及‘When …,it’s time to leave.’可以确定，此处是告诫用餐后不能立刻就走人。结合语境及所给单词,可知选B。

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。