1/3单选题
难度：
1.
下列哪个图象是具有奇偶性的函数图象（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- PHA+QemAiemhueS4reeahOWbvuWDj+aXouS4jeWFs+S6juWOn+eCueWvueensOS5n+S4jeWFs+S6jnnovbTlr7nnp7A8L3A+
- 提示2：
- PHA+QumAiemhue+8jOW9k3g9MOaXtu+8jHk9wrEx77yM6L+d5Y+N5Ye95pWw5a+55bqU5YWz57O777yM5pWF5a6D5LiN5piv5Ye95pWw5Zu+5YOPPC9wPg==
- 提示3：
- PHA+ROmAiemhue+8jOWbvuWDj+WFs+S6jng9MeWvueensO+8jOWug+aXouS4jeaYr+Wlh+WHveaVsOS5n+S4jeaYr+WBtuWHveaVsDwvcD4=
正确答案：Qw==
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
2/3单选题
难度：
2.下列区间关于原点对称的是（ ）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IDxpbWcgd2lkdGg9NzUgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvREUvQjYvckJBQ0UxUDBSc1RERnBMTUFBQUNCOFpiUVp3MzU0LnBuZyI+77yMPGltZyB3aWR0aD04OCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BRS9GMy9yQkFDRkZQMFJzVEEzTWx5QUFBQ0xCamxrZWc1NTcucG5nIj7vvIw8aW1nIHdpZHRoPTUzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0RFL0I2L3JCQUNFMVAwUnNUUm5QYmtBQUFCbG5KckdvazM3OS5wbmciPuS4jeWFs+S6juWOn+eCueWvueensA==
- 提示2：
- IDxpbWcgd2lkdGg9ODcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvREUvQjYvckJBQ0UxUDBSc1N4eFQxb0FBQUNBUEg0MEgwODU2LnBuZyI+77yMPGltZyB3aWR0aD05OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9ERS9CNi9yQkFDRTFQMFJzU2h4Y2t1QUFBQ0x6bGFacG8wNzQucG5nIj7vvIw8aW1nIHdpZHRoPTYzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0FFL0YzL3JCQUNGRlAwUnNTVF82TDRBQUFCeVFJNUpLYzEzNS5wbmciPuS4jeWFs+S6juWOn+eCueWvueensA==
- 提示3：
- IDxpbWcgd2lkdGg9ODUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQUUvRjMvckJBQ0ZGUDBSc1hDdGlYMEFBQUJ3UjRJNE5vMTM3LnBuZyI+77yMPGltZyB3aWR0aD03NSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9ERS9CNi9yQkFDRTFQMFJzV2lyRWRNQUFBQjRkcnBCYnMzNzEucG5nIj7vvIw8aW1nIHdpZHRoPTUxIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0RFL0I2L3JCQUNFMVAwUnNUdzcyZ0ZBQUFCaEhOWVdBczkxNi5wbmciPuS4jeWFs+S6juWOn+eCueWvueensA==
正确答案：RA==
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
3/3单选题
难度：
3.
下列函数是奇函数的是（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- 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
- 提示2：
- PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FFL0YzL3JCQUNGRlAwUnI3eFB3cnBBQUFDWUVJN3J5VTMwMC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUUvRjMvckJBQ0ZGUDBScjd4UHdycEFBQUNZRUk3cnlVMzAwLnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjE2NCI+PC9wPg==
- 提示3：
- PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FFL0YzL3JCQUNGRlAwUnI3aEt4WWxBQUFCeEQxLXR6czgzOC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUUvRjMvckJBQ0ZGUDBScjdoS3hZbEFBQUJ4RDEtdHpzODM4LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjU3Ij7kuI3lhbPkuo7ljp/ngrnlr7nnp7A8L3A+
正确答案：Qw==
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