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【判断题】
判断下面结论是否正确 ( 请在括号中打“√”或“×” ) (1) “ x 2 + 2 x - 3<0 ” 是命题. ( ) (2) “ sin 45° = 1 ”是真命题. ( ) (3) 命题“三角形的内角和是 180° ”的否命题是三角形的内角和不是 180°. ( ) (4) 若一个命题是真命题,则其逆否命题是真命题. ( ) (5) “ a = 2 ”是“ ( a - 1)( a - 2) = 0 ”的必要不充分条件. ( ) (6) 若 α ∈ (0,2π) ,则“ sin α =- 1 ”的充要条件是“ α = π ”. ( )
A.
正确
B.
错误
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【简答题】有氧耐力锻炼的负荷强度，其运动心率一般控制在130-（）次/分钟为宜。
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【简答题】I. 根据下列各句句意以及所给单词的首字母或汉语提示,写出所缺单词的正确形式. 1. Much of the land was of poor q______. 2. She’s over 80, but is still very a______. 3. The People’s R______ of China was founded in 1949. 4. Schools try to te...
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【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )。
A.
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【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )
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【单选题】有氧耐力锻炼的负荷强度，其运动心率一般控制在_____ 为宜
A.
120 － 130 次 / 分钟
B.
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C.
140 － 170 次 / 分钟
D.
160 － 180 次 / 分钟
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【单选题】听力原文：W: I wonder if Mrs. Fisher has any family. Her room is always quiet. M: Actually she is a mother of three. Her children all live abroad. That's why the nurses take care of her. Q: What can be inf...
A.
Mrs. Fisher wants to go abroad.
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C.
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D.
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【单选题】听力原文：W: I wonder if Mrs. Fisher has any family. Her room is always quiet. M: Actually she is a mother of three. Her children all live abroad. That's why the nurses take care of her. Q: What can be inf...
A.
Mrs. Fisher wants to go abroad.
B.
Mrs. Fisher is in hospital.
C.
Mrs. Fisher has no family.
D.
There are three people in Mrs. Fisher's family.
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【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )。
A.
满足合理的资金需求
B.
提高资金使用效率
C.
节约资金使用成本
D.
保持足够的短期偿债能力
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【单选题】Q2
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相关题目：
【简答题】有氧耐力锻炼的负荷强度，其运动心率一般控制在130-（）次/分钟为宜。
查看完整题目与答案
【简答题】I. 根据下列各句句意以及所给单词的首字母或汉语提示,写出所缺单词的正确形式. 1. Much of the land was of poor q______. 2. She’s over 80, but is still very a______. 3. The People’s R______ of China was founded in 1949. 4. Schools try to te...
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【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )。
A.
合理确定营运资金的数量
B.
提高资金使用效率
C.
节约资金使用成本
D.
保持足够的短期偿债能力
查看完整题目与答案
【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )
A.
保证合理的资金需求
B.
提高资金使用效率
C.
节约资金使用成本
D.
保持足够的短期偿债能力
查看完整题目与答案
【单选题】有氧耐力锻炼的负荷强度，其运动心率一般控制在_____ 为宜
A.
120 － 130 次 / 分钟
B.
130 － 140 次 / 分钟
C.
140 － 170 次 / 分钟
D.
160 － 180 次 / 分钟
查看完整题目与答案
【单选题】听力原文：W: I wonder if Mrs. Fisher has any family. Her room is always quiet. M: Actually she is a mother of three. Her children all live abroad. That's why the nurses take care of her. Q: What can be inf...
A.
Mrs. Fisher wants to go abroad.
B.
Mrs. Fisher is in hospital.
C.
Mrs. Fisher has no family.
D.
There are three people in Mrs. Fisher's family.
查看完整题目与答案
【单选题】听力原文：W: I wonder if Mrs. Fisher has any family. Her room is always quiet. M: Actually she is a mother of three. Her children all live abroad. That's why the nurses take care of her. Q: What can be inf...
A.
Mrs. Fisher wants to go abroad.
B.
Mrs. Fisher is in hospital.
C.
Mrs. Fisher has no family.
D.
There are three people in Mrs. Fisher's family.
查看完整题目与答案
【多选题】营运资金的管理是企业财务管理工作的一项重要内容,营运资金的管理原则包括( )。
A.
满足合理的资金需求
B.
提高资金使用效率
C.
节约资金使用成本
D.
保持足够的短期偿债能力
查看完整题目与答案
【单选题】听力原文：M：Why don't you give up smoking? It's such a bad example to the children． W：It's one of the real pleasures in my life．I can't bear days without cigarettes． Q：Why does the man want the woman to gi...
A.
Because it's bad for her health.
B.
Because it makes her smelly.
C.
Because it makes her cough.
D.
Because it's a bad example to the children.
查看完整题目与答案
【单选题】Q2
A.
She wanted to have her picture on the front cover of magazines.
B.
She wanted to use her fame to help starving children in Africa.
C.
She wanted to be famous so that she could earn more money.
D.
She wanted to look fashionable like Hollywood actresses.
查看完整题目与答案