_____ otherwise directed by a doctor, this medicine should be taken three times

游客2024-10-01  9

问题 _____ otherwise directed by a doctor, this medicine should be taken three times a day.

选项 A、Even if
B、Unless
C、Except that
D、As

答案 B

解析 语法类试题(副词、形容词的使用)。otherwise,副词,意为:“另外”、“别的样的”、“(在)其他方面”,如:He is noisy,but otherwise a niceboy.他爱吵闹,但在其他方面倒是一个好孩子。evenif表示“即使”,如:Even if you had the book,you could not find the secret。except that表示“除了……”,而且要引导一个完整的从句。而按题意,应选unless。
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