Explain the "Lang Lang effect".
举一反三
- Lang Lang, the famous __________, once performed
- Lang Lang is not yet thirty years old.
- Lang Lang meets many rich and famous people.
- Lang Lang, the famous________, once performed in the White House in the U.S.A.
- 要想声明网页语言为简体中文，lang属性应该设置为____。 A: <html lang="zh-TP"> B: <html lang=“zh-CN”> C: <html lang=“zh-BIG”> D: <html lang=“zh-TW”>