很多旅客在寻找一旅馆时期望干净的床、洗漱用品、衣橱或者交通的便利性等,这些旅客的追求的是()。
A.核心产品
B.形式产品
C.期望产品
D.附加产品
参考答案:C
Though Jack was busy, he managed to some time to _____ visit his parents every week.[ ]
A. take in
B. set aside
C. give up
D. get into
线路运行分析应定期进行,一般为()一次。
A.半个月
B.一个月
C.两个月
D.三个月