问题
单项选择题
乳牙经常在出生后多长时间就可萌出（）
A.2个月
B.6个月
C.1岁半
D.2岁
E.2岁半
答案
参考答案：B
解析：乳牙在出生后6个月开始萌出，至2岁到2岁半时全部萌出。
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乳牙经常在出生后多长时间就可萌出（）
A.2个月
B.6个月
C.1岁半
D.2岁
E.2岁半
参考答案：B
解析：乳牙在出生后6个月开始萌出，至2岁到2岁半时全部萌出。
| 根据对话内容，从下面方框所给的选项中选出合适的句子补全对话。 | |
| A: Hi, Sam. B: 1._____ A: What day is it tomorrow? B: Today is Wednesday, so tomorrow is Thursday. 2._____ A: There is a new film by Jackie Chan. Would you like to go to the cinema with me? B: 3._____ Is it in the morning or in the evening? A: It is on Thursday evening. It is at New Times Theatre. B: 4._____ I can send an email to him A: Yes, please. 5._____ B: Ok. I think Wu Dong would like to go, too.
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