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【简答题】
Flossing, an essential part of the tooth-cleaning process, removes plaque between teeth and at the gumline, the breeding ground for ______.
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【单选题】下面这幅产品生命周期图中的A.B.C分别代表( )。
A.
利润曲线、销售曲线、成熟期
B.
利润曲线、销售曲线、成长期
C.
销售曲线、利润曲线、成熟期
D.
销售曲线、利润曲线、成长期
【单选题】下面这幅产品生命周期图中的
A.
C分别代表( )。 A、 利润曲线、销售曲线、成熟期
B.
利润曲线、销售曲线、成长期
C.
销售曲线、利润曲线、成熟期
D.
销售曲线、利润曲线、成长期
【简答题】旅游者的可自由支配收入指的是什么？
【单选题】He found it difficult t o____ the fact that the ship was lost in a h e avy sto r m.
A.
receive
B.
keep
C.
obtain
D.
accept
【单选题】Which of the following sentences expresses a fact?
A.
He is a nice man, I suppose.
B.
I hope he can feel better soon.
C.
He must be playing football now.
D.
She is such a beautiful girl that we are all attracted by her.
【多选题】、旅游者是指为了满足精神和物质的需要,暂时离开常住地到异地进行非定居性旅行的人。成为旅游者必须具备的基本条件是( )。
A.
健康的体魄
B.
出游动机
C.
余暇时间
D.
可自由支配收入
【简答题】As my friend was passing some elephants，he suddenly stopped．He was confused by the fact that these huge animals were being held by nothing but a small rope．The rope was tied to their front legs． It wa...
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