中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.
如果命题“
”是真命题，则正确的是（ ）
| A: p、q均为真命题 |
| B: p、q中至少有一个为真命题 |
| C: p、q均为假命题 |
| D: p、q中至多有一个为真命题 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+55yL5riF5aSN5ZCI5ZG96aKY55qE6aG65bqPPC9wPg==
- 提示2：PHA+55yf5YC86KGoPC9wPg==
- 答案：Qw==
PHA+4oi15ZG96aKY4oCcPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0I4LzU5L3JCQUNGRlRaVjFpU3FHYldBQUFGbndoYWpDZzQ0MS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQjgvNTkvckJBQ0ZGVFpWMWlTcUdiV0FBQUZud2hhakNnNDQxLnBuZyIgaGVpZ2h0PSIyMCIgd2lkdGg9IjU5Ij7igJ3kuLrnnJ/lkb3popjvvIw8YnI+4oi05ZG96aKY4oCcPGk+cDwvaT7iiKg8aT5xPC9pPuKAneS4uuWBh+WRvemimO+8jDxicj7iiLTlkb3popg8aT5wPC9pPuWSjOWRvemimDxpPnE8L2k+6YO95Li65YGH5ZG96aKY77yOPC9wPg==
本课配套习题挑战模式2/5
单选题
难度系数：
2.
已知命题p：∃x∈R，mx2＋1≤0，命题q：∀x∈R，x2＋mx＋1>0.若p∨q为假命题，则实数m的取值范围是（ ）
| A: m≥2 |
| B: m≤－2 |
| C: m≤－2或m≥2 |
| D: －2≤m≤2 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+4oCc5oiW4oCd5ZG96aKY5ZCM5YGH5Li65YGHPC9wPg==
- 答案：QQ==
PHA+55SxcO+8muKIg3jiiIhS77yMbXg8c3VwPjI8L3N1cD4rMeKJpDDvvIzlj6/lvpdt77ycMO+8jDxicj7nlLFx77ya4oiAeOKIiFLvvIx4PHN1cD4yPC9zdXA+K214KzHvvJ4w77yM5Y+v5b6X4pazPW08c3VwPjI8L3N1cD4tNO+8nDDvvIzop6PlvpctMu+8nG3vvJwyPGJyPuWboOS4unBWceS4uuWBh+WRvemimO+8jOaJgOS7pXDkuI5x6YO95piv5YGH5ZG96aKYPGJyPuiLpXDmmK/lgYflkb3popjvvIzliJnmnIlt4omlMO+8m+iLpXHmmK/lgYflkb3popjvvIzliJnmnIlt4omkLTLmiJZt4omlMjxicj7mlYXnrKblkIjmnaHku7bnmoTlrp7mlbBt55qE5Y+W5YC86IyD5Zu05Li6beKJpTI8YnI+5pWF6YCJQTxicj48L3A+
本课配套习题挑战模式3/5
单选题
难度系数：
3.
设集合A＝{x|－2－a<x<a，a>0}，命题p：1∈A，命题q：2∈A.若p∨q为真命题，p∧q为假命题，则a的取值范围是（ ）
| A: 0<a<1或a>2 |
| B: 0<a<1或a≥2 |
| C: 1<a≤2 |
| D: 1≤a≤2 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+4oCc5oiW4oCd5ZG96aKY77yM5LiA55yf5Li655yfPC9wPg==
- 提示2：PHA+4oCc5LiU4oCd5ZG96aKY77yM5LiA5YGH5Li65YGHPC9wPg==
- 答案：Qw==
PHA+4oi1MeKIiDxlbT5BPC9lbT7vvIziiLTvvI0y77yNPGVtPmE8L2VtPiZsdDsxJmx0OzxlbT5hPC9lbT7vvIziiLQ8ZW0+YTwvZW0+Jmd0OzHvvIw8L3A+PHA+4oi1MuKIiDxlbT5BPC9lbT7vvIziiLTvvI0y77yNPGVtPmE8L2VtPiZsdDsyJmx0OzxlbT5hPC9lbT7vvIziiLQ8ZW0+YTwvZW0+Jmd0OzLvvIw8L3A+PHA+4oi1PGVtPnA8L2VtPuKIqDxlbT5xPC9lbT7kuLrnnJ/vvIw8ZW0+cDwvZW0+4oinPGVtPnE8L2VtPuS4uuWBh++8jDwvcD48cD7iiLQ8ZW0+cDwvZW0+5LiOPGVtPnE8L2VtPuS4gOecn+S4gOWBh++8jOaVhTEmbHQ7PGVtPmE8L2VtPuKJpDIuPC9wPg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.
已知命题p：|x－1|＋|x＋1|≥3a恒成立，命题q：y＝(2a－1)x为减函数，若“p∧q”为真命题，则a的取值范围是（ ）
| A: a≤23 |
| B: 0<a<12 |
| C: 12 <a≤23 |
| D: 12 <a<1 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+55yf5YC86KGoPC9wPg==
- 提示2：PHA+4oCc5LiU4oCd5ZG96aKY77yM5ZCM55yf5Li655yfPC9wPg==
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.
已知命题p：∃x∈R，使2x+2-x=1；命题q：∀x∈R，都有lg（x2+2x+3）＞0．下列结论中正确的是（ ）
| A: 命题“p∧q”是真命题 |
| B: 命题“p∧ |
| C: 命题“ |
| D: 命题“ |
”是真命题
∧q”是真命题
”是假命题
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5YiG5Yir5Yik5pat5ZG96aKYcOOAgXHnmoTnnJ/lgYc8L3A+
- 提示2：PHA+5qC55o2u55yf5YC86KGo6L+b6KGM5Yik5patPC9wPg==
- 答案：Qw==
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
