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【单选题】
Qt/Embedde信号和插槽机制中，插槽是普通C++函数，它的唯一特性是（）
A.
与唯一的信号关联
B.
与多个信号关联
C.
插槽可以有默认参数
D.
插槽通过存取权限关联
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参考答案：
举一反三
【单选题】“东山再起”称隐退复仕或者是失势后重新得势,最初指的是()。
A.
谢裒
B.
谢安
C.
谢玄
D.
谢道韫
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard and they have too much homework to do every day. Others have trouble getting on well ...
查看完整题目与答案
【单选题】10 为了产生( )效果,应该选择逆光拍摄。
A.
投影
B.
剪影
C.
平面
D.
条纹
查看完整题目与答案
【简答题】如图所示,在吹一个表面画有许多斑点的气球时会发现,随着气球的鼓起,斑点间的距离在不断变化。从任何一点出发,其他的点都可以以它为中心向四周散开,并且距离越远散开的速度越快。如果我们把这个气球比作宇宙,试回答下列问题。 ( 1 )根据多谱勒效应,当星系靠近观察者时,见到的星光光谱线向频率高的蓝光方向移动,反之则向红光方向移动。把气球上的斑点看作一个个星系,并选定一个作为太阳系。当我们把气球逐渐吹起时,...
查看完整题目与答案
【单选题】2019年6月17日,宜宾长宁发生60级地震,6月22日,宜宾珙县发生54级地震,6月24日,云南楚雄发生4.7级地震,印尼班达海发生7.6级地震。一时间,谣言四起:有说不久将会有大地震发生的,有说是因为太阳黑子11年轮回一次的。这在一定程度上引发了民众的恐慌情绪。对此,有关专家指出:“地震是地壳的正常运动,随着时间的变化地壳都会有一些变动,地球一直处于震动状态,‘震动’是地球的常态。”专家的观点...
A.
①②
B.
①③
C.
②④
D.
③④
查看完整题目与答案
【单选题】有关维生素B1的活性形式是
A.
视黄醇
B.
硫氨素
C.
焦磷酸硫氨素
D.
生物素
查看完整题目与答案
【单选题】听力原文：Bill Gates didn't finish his undergraduate study, therefore some young students fantasize that they could also become millionaires if they drop out. (24)
A.
Bill Gates is rich because he didn't finish his undergraduate study.
B.
Bill Gates tells us that in order to become rich, one must drop out.
C.
Some students believe that they don't need education, but can still be rich.
D.
Some students have become millionaires after they drop out.
查看完整题目与答案
【单选题】机构中的运动副若为低副,指的是
A.
回转副和齿轮副
B.
移动副和凸轮副
C.
回转副和移动副
D.
齿轮副和凸轮副
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard. Others have trouble getting on well with people like their parents and classmates. L...
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard. Others have trouble getting on well with people like their parents and classmates. L...
查看完整题目与答案
相关题目：
【单选题】“东山再起”称隐退复仕或者是失势后重新得势,最初指的是()。
A.
谢裒
B.
谢安
C.
谢玄
D.
谢道韫
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard and they have too much homework to do every day. Others have trouble getting on well ...
查看完整题目与答案
【单选题】10 为了产生( )效果,应该选择逆光拍摄。
A.
投影
B.
剪影
C.
平面
D.
条纹
查看完整题目与答案
【简答题】如图所示,在吹一个表面画有许多斑点的气球时会发现,随着气球的鼓起,斑点间的距离在不断变化。从任何一点出发,其他的点都可以以它为中心向四周散开,并且距离越远散开的速度越快。如果我们把这个气球比作宇宙,试回答下列问题。 ( 1 )根据多谱勒效应,当星系靠近观察者时,见到的星光光谱线向频率高的蓝光方向移动,反之则向红光方向移动。把气球上的斑点看作一个个星系,并选定一个作为太阳系。当我们把气球逐渐吹起时,...
查看完整题目与答案
【单选题】2019年6月17日,宜宾长宁发生60级地震,6月22日,宜宾珙县发生54级地震,6月24日,云南楚雄发生4.7级地震,印尼班达海发生7.6级地震。一时间,谣言四起:有说不久将会有大地震发生的,有说是因为太阳黑子11年轮回一次的。这在一定程度上引发了民众的恐慌情绪。对此,有关专家指出:“地震是地壳的正常运动,随着时间的变化地壳都会有一些变动,地球一直处于震动状态,‘震动’是地球的常态。”专家的观点...
A.
①②
B.
①③
C.
②④
D.
③④
查看完整题目与答案
【单选题】有关维生素B1的活性形式是
A.
视黄醇
B.
硫氨素
C.
焦磷酸硫氨素
D.
生物素
查看完整题目与答案
【单选题】听力原文：Bill Gates didn't finish his undergraduate study, therefore some young students fantasize that they could also become millionaires if they drop out. (24)
A.
Bill Gates is rich because he didn't finish his undergraduate study.
B.
Bill Gates tells us that in order to become rich, one must drop out.
C.
Some students believe that they don't need education, but can still be rich.
D.
Some students have become millionaires after they drop out.
查看完整题目与答案
【单选题】机构中的运动副若为低副,指的是
A.
回转副和齿轮副
B.
移动副和凸轮副
C.
回转副和移动副
D.
齿轮副和凸轮副
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard. Others have trouble getting on well with people like their parents and classmates. L...
查看完整题目与答案
【简答题】Young people can have problems with their minds. Some students become worried because they have to study very hard. Others have trouble getting on well with people like their parents and classmates. L...
查看完整题目与答案
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