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【单选题】
听力原文：W: I hear the Grand Hotel has a new manager. Did you notice any change when you stayed there last week? M: Yes, I found the rooms were surprisingly clean now. And the service was much better, too. Q: Compared with former times, how is the hotel now? (15)A.
The rooms are better but not the service.
B.
The service is better but the rooms are dirty.
C.
It is even worse.
D.
Both the rooms and the service are better.
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【简答题】窝沟封闭是指不去除牙体组织,在( )、( )或( )的点隙沟涂布一层黏结性树脂,保护( )不受细菌及代谢产物的侵蚀,达到预防龋病的一种有效方法。
【单选题】— Lucy, do you like _____? — Yes. Most of my clothes are _____. [ ]
A.
an orange, an orange
B.
orange, orange
C.
oranges, oranges
D.
orange, an orange