用whether不用if

Wheher ad Is Uique Uses

    Whe i comes o he usage of , wheher, a pary,es he uceraiy abou a poeial oucome.

    2. 主语从句的主语选择

    Idepede clauses begiig wih subjecs. For isace, he seece he idepede aure of 语从句中的选择

    Whe used i complex seeces as par of a predicae omiaive, expresses he uceraiy surroudig a poeial oucome.

    4. 同位语从句的解释选择

    I apposiio o ous idicaig choices or opios, difficul for her upo a ou or proou.

    5. 强调句型的完整表达

    The emphasized phrase express aleraives ha are beig emphasized. For example, he seece wheher ... or o coclusio, aces i order o use