已知:I.RC≡CH+ $\stackrel{一定条件}{\to }$ (R、R´表示H或烃基)

II. +HI→ +CH₃I

III. +HI+NaOH→ +NaI+H₂O

请按要求回答下列问题:

    Li Ping is going to England. He wants to know something about English people. One day he sees an English girl in the street. Then he comes up to her.

    “Excuse me, may I ask you some questions?”

    “Of course you may.” answers the girl politely.

    “I'll go to London. What should I notice when I'm talking with English people in London? ”asks Li Ping.

    “Well, don't ask a woman how old she is and…”

    “But how old are you? ”Li Ping stops the girl and asks suddenly.

    “I…”The girl gets angry.

    “Why do you get so angry?”asks Li Ping. “Now we are in China, not in England, you see”

海蜇、海葵等腔肠动物，排出食物残渣的结构是（   ）

①中国在国际事务中的话语权进一步增强

②中国积极主导国际事务的发展

③中国理念契合了联合国宪章的宗旨和原则

④国家之间的相互依存度不断加深