問題補充:
單選題
Good technique in medicine means less pain and fewer deaths and, ________ it is our duty to master it.A.altogetherB.thereforeC.otherwiseD.however
網(wǎng)友答案:
熱心網(wǎng)友 1樓
B解析本題考查副詞在語言環(huán)境中的意思.句中therefore在此處表示“因此”,與as a result, so意思相近.a(chǎn)ltogether表示“總的來說”,相當于on the whole; otherwise表示“否則”,相當于or; however用作副詞表示“不管如何,然而”.從全句意思看應(yīng)為B項.