问题
单项选择题 A1型题
标准化死亡比（SMR）属（）
A.构成比
B.定基比
C.相对比
D.比数比
E.环比
答案
参考答案：C
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标准化死亡比（SMR）属（）
A.构成比
B.定基比
C.相对比
D.比数比
E.环比
参考答案：C
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| Do you think of your parents? "Yes, of course," you may answer, "I buy a present for my mother on 1 . And I give my father a present on Father's Day, 2 ."Then what about the other days of a year? Always 3 to think of your parents, not just on some important days. I have a friend who 4 alone, because her parents live in another city. One day l went to see her. We had a nice chat(聊天).Then she wanted to make a 5 . She dialed(拨)the number, but then she put the phone 6 . After about ten seconds, she dialed the number again. "Hi, Mom..." Later I asked, "Why did you dial the number 7 ?" She smiled, "My parents are old. They can't get close to the telephone 8 . I always do so when I call them. I just want to give them 9 time to answer the call." My friend is a good girl. She is always 10 her parents. You also want to be a good child, right? So why not learn from her? | ||||
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