搜题请搜索小程序“爱下问搜题”
问题 选择题
条件p：|x+1|＞2，条件q：
1
3-x
＞1，则￢p是￢q的（　　）
A．充分不必要条件B．必要不充分条件
C．充要条件D．既不充分也不必要条件
答案

由题意得：条件p：|x+1|＞2，即p：x＞1或x＜-3．

所以￢p：-3≤x≤1．

由题意得：条件q：

1
3-x
＞1，即q：2＜x＜3．

所以￢q：x≥3或x≤2．

所以￢p是￢q的充分不必要条件．

故选A．

选择题
“下滑数”是一个数中右边数字比左边数字小的自然数（如：32，641，8531等），任取一个两位数，是“下滑数”的概率是（　　）
A．
1
2
B．
2
5
C．
3
5
D．
7
18
查看答案
填空题

The doctor-patient relationship is one of the (1) relationships in life, but many people say this relationship is beyond (2) . Can this relationship be saved The answer is (3) yes, because it must. And if that is lost, medicine becomes a technology and is (4) . In part the crisis in medicine began with doctors (5) themselves from patients.
The more critical work of a doctor happens in the taking of the human (6) . (7) is the most important and most difficult single transaction. The studies show that (8) of all the valuable information that leads to correct diagnosis comes from the history. Another (9) comes from the physical examination, 10% comes from simple (10) tests, and 5% comes from all the complex (11) . So listening is vital, because listening is not merely listening, but to establish a (12) .
But some doctors think listening is (13) . They like to use complex and costly (14) , and use (15) that create adverse reactions and require (16) . They don’t like to listen. Because there’s no premium on listening and that there’s no (17) for listening.
Even so, the doctor-patient relationship is not (18) saving. Because people may ask, what is good health And good health begins first and foremost with (19) . If you don’t care for a (20) , be somebody else, but don’t be a doctor!
查看答案