问题
单项选择题
在生命表中,首先要选择初始年龄,然后假定在该年龄生存的人数,也称为基数。一般,选择()为初始年龄,通常取此年龄的人数为整数。
A.1岁
B.2岁
C.0岁
D.10岁
答案
参考答案:C
解析:考点:生命表。在生命表中,首先要选择初始年龄,然后假定在该年龄生存的人数,也称为基数。一般,选择0岁为初始年龄,通常取此年龄的人数为整数。
在生命表中,首先要选择初始年龄,然后假定在该年龄生存的人数,也称为基数。一般,选择()为初始年龄,通常取此年龄的人数为整数。
A.1岁
B.2岁
C.0岁
D.10岁
参考答案:C
解析:考点:生命表。在生命表中,首先要选择初始年龄,然后假定在该年龄生存的人数,也称为基数。一般,选择0岁为初始年龄,通常取此年龄的人数为整数。
完形填空。 | ||||
Today I want to go to the People's Hospital to see my friend Linda. 1 I don't know the way. I need some 2 . Just then (就在那时) 3 old man walks past. I ask him, "Excuse me, 4 is the way to the People's Hospital?" "Sorry, I don't know. You can 5 the policeman (警察) over there." he says."Thank you all the same." Then I go up to the 6 . "Excuse me, how can I 7 the People's Hospital?" I ask. The policeman says, "It is not far 8 . It's about ten minutes' walk. Go along this street and turn right 9 the third street, and you can find 10 ." "Thank you very much. Goodbye!" "That's all right. Bye!" | ||||
|