单选题 If you don't understand the new vocabulary you could ask your teacher to explain it or, ______ , you could look it up in a dictionary.
【正确答案】 A
【答案解析】[解析] 逻辑关系题:并列。从or可以看出,所填的词表达的:是一种选择的含义,因此答案选[A] alternatively“作为选择,二者择一地”,表示两种选择都可行。[B]otherwise“否则,另外”;[C]instead“改为,更换”;[D]incidentally“附带地,顺便提及”。 [句意] 你若不理解新词,可以去问老师或者去查字典。