牙槽突骨折结扎固定的时间是A．2周B．3周C．4周D．6周E．越长越好 发布时间：2017-05-31 06:19 │ 来源：www.tikuol.com 题型：单项选择题 问题： 牙槽突骨折结扎固定的时间是A．2周B．3周C．4周D．6周E．越长越好
题型：单项选择题 Many people have two accounts in a bank, A savings account and a checking account. When people deposit money in a savings account, it earns interest. They can withdraw their savings at any time, unless it is a special notice account. A special notice account earns higher interest, but you must give the bank 90 days notice before withdrawing money from it. People use checking accounts for convenience. They deposit some money and write checks when they want to pay bills. This way they do not have to send cash through the mail. They do not have to carry a lot of cash with them, for they can write a check instead. At the end of the month, the bank returns the checks they have written and have been cashed. The bank also sends a statement of all the checks used. That way people have a record of how much money they have spent that month.People using savings accounts can withdraw their savings whenever they like.A．A. Right B．B. Wrong C．C. Doesn’t say 查看答案
题型：单项选择题 已知：二次函数的图象经过点A（1，0）和点B（2，1），且与y轴交点的纵坐标为m．（1）若m为定值，求此二次函数的解析式；（2）若二次函数的图象与x轴还有异于点A的另一个交点，求m的取值范围；（3）若二次函数的图象截直线y=-x+1所得线段的长为22，确定m的值． 查看答案
题型：单项选择题 在应用速度分析实际问题时，下列说法正确的有（）。A.当时间序列中的指标值出现0或负数时，不宜计算速度B.速度指标的数值与基数的大小有密切关系C.运用环比增长速度这一指标反映现象增长的快慢时，往往要结合水平指标的分析才能得出正确结论D.环比增长速度时间序列中各期的基数相同E.当时间序列的指标值出现0时适宜直接用绝对值进行分析 查看答案