中学生网络课堂本课配套习题挑战模式1/4
单选题
难度系数：
1.
2弧度的角所在的象限是（ ）
| A: 第一象限 |
| B: 第二象限 |
| C: 第三象限 |
| D: 第四象限 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5q+U6L6DMuS4jjxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83My85RS9yQkFDRTFUSjIyamdpb3JzQUFBQkxVaEhaQ0UxNjQucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzczLzlFL3JCQUNFMVRKMjJqZ2lvcnNBQUFCTFVoSFpDRTE2NC5wbmciIGhlaWdodD0iNDIiIHdpZHRoPSI5Ij7jgIE8aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNzMvOUUvckJBQ0UxVEoyMmp3Sldpb0FBQUJBSzJ2aXdZODE5LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My85RS9yQkFDRTFUSjIyandKV2lvQUFBQkFLMnZpd1k4MTkucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iOCI+55qE5aSn5bCP5YWz57O7PGJyPjwvcD4=
- 答案：Qg==
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
本课配套习题挑战模式2/4
单选题
难度系数：
2.
已知角
的终边经过点
，则角的最小正值是（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+6ICD5a+f5LiJ6KeS5Ye95pWw55qE5a6a5LmJPGJyPjwvcD4=
- 提示2：PHA+6ICD5a+f57uI6L6555u45ZCM55qE6KeS55qE6KGo56S65pa55rOVPGJyPjwvcD4=
- 答案：Qg==
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
本课配套习题挑战模式3/4
单选题
难度系数：
3.
时钟经过1小时，时针转过了（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5pe26ZKf6aG65pe26ZKI6L2s5YqoPC9wPg==
- 提示2：PHA+MeWwj+aXtuS4uuihqOebmOeahDxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS9GOS9yQkFDRkZUSjNUQ2lGb3lNQUFBQktGTVd6MjAxMDEucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBL0Y5L3JCQUNGRlRKM1RDaUZveU1BQUFCS0ZNV3oyMDEwMS5wbmciIGhlaWdodD0iNDIiIHdpZHRoPSIxNSI+PC9wPg==
- 答案：Qg==
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
本课配套习题挑战模式4/4
单选题
难度系数：
4.
已知角
的顶点在原点，始边为x轴的非负半轴．若角的终边过点P（－
，y），且sin=
y（y
≠0），判断角所在的象限（ ）
| A: 第二、三象限 |
| B: 第一、三象限 |
| C: 第三象限 |
| D: 第二象限 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5rGCfDxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRi8yNi9yQkFDSmxUSjNUdmlMQjcwQUFBQlVINWd2dE03ODAucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNGLzI2L3JCQUNKbFRKM1R2aUxCNzBBQUFCVUg1Z3Z0TTc4MC5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIyMiI+PC9wPg==
- 提示2：PHA+5Luj5YWlPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNGLzY3L3JCQUNKMVRKM1R1UUtvMFNBQUFCZVFZMFRfSTc1OS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0YvNjcvckJBQ0oxVEozVHVRS28wU0FBQUJlUVkwVF9JNzU5LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjI5Ij48L3A+
- 提示3：PHA+5rGCPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBL0Y5L3JCQUNGRlRKM1NxdzhsTGlBQUFCTDNiMmNkbzEzNS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUEvRjkvckJBQ0ZGVEozU3F3OGxMaUFBQUJMM2IyY2RvMTM1LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjciPjwvcD4=
- 答案：QQ==
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
