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【多选题】
下面有关块和组命令的描述正确的是()
A.
块和组把分散对象组合成一个整体
B.
块和组都可用分解命令（EXPLODE）把对象分散为单个对象
C.
块中可以嵌套块，组中也可以嵌套组
D.
可以往一个组中添加对象，也可从组中删除某个对象，而无需解除编组
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皮皮学刷刷变学霸
举一反三
【单选题】After the trainer was sure that the whale could look after itself, he __________it into the sea.
A.
transported
B.
unloaded
C.
released
D.
handled
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【单选题】混凝土施工缝宜留在结构受 较小且便于施工的部位
A.
剪力
B.
弯矩
C.
压力
D.
拉力
查看完整题目与答案
【单选题】what is the man's problem?
A.
He has a headache.
B.
He failed his history exam.
C.
He is tired.
D.
He is too busy.
查看完整题目与答案
【单选题】After his initial discovery, Baekeland ______.
A.
continued to improve varnish
B.
did many experiments that were aimed at finding a method to shape plastic
C.
did a series of successful experiments and soon worked out a method of molding plastic
D.
did many experiments, the results of which indicated that plastic could never be softened
查看完整题目与答案
【单选题】What’s wrong with the man?
A.
Hc’s got a cold．
B.
He feels cold．
C.
He has a headache．
查看完整题目与答案
【判断题】激光器中,谐振腔的作用在于使受激光子沿输出轴方向多次往复反射,相互激发,产生链锁反应,加强和改善激光的输出,得到单色性和方向性很好的激光。
A.
正确
B.
错误
查看完整题目与答案
【简答题】听材料，回答问题。 1. What's wrong with Jack? A. He has a headache. B. He has a sore throat. C. He has a stomachache. 2. How long has he been like this? A. For two hours. B. For two days. C. For only one hour....
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【简答题】内蒙古最大的湖泊是什么
查看完整题目与答案
【单选题】内蒙古最大的湖泊是指( )
A.
呼伦湖
B.
贝尔湖
C.
哈素海
D.
鄱阳湖
查看完整题目与答案
【简答题】设外部有一脉冲信号源PLUS，要求用8253—5的计数器0对该信号源连续计数，当计数器计为0时向CPU发出中断请求。 1、画出8253-5的CLK0、GATE0和OUT0的信号连接图。 2、若该芯片的端口地址为40H～43H，计数初值为1234H，写出该计数器工作在方式2按二进制计数的初始化程序。 3、若计数初值为12345H，在上述基础上增加计数器1如何连接以实现计数。
查看完整题目与答案
相关题目：
【单选题】After the trainer was sure that the whale could look after itself, he __________it into the sea.
A.
transported
B.
unloaded
C.
released
D.
handled
查看完整题目与答案
【单选题】混凝土施工缝宜留在结构受 较小且便于施工的部位
A.
剪力
B.
弯矩
C.
压力
D.
拉力
查看完整题目与答案
【单选题】what is the man's problem?
A.
He has a headache.
B.
He failed his history exam.
C.
He is tired.
D.
He is too busy.
查看完整题目与答案
【单选题】After his initial discovery, Baekeland ______.
A.
continued to improve varnish
B.
did many experiments that were aimed at finding a method to shape plastic
C.
did a series of successful experiments and soon worked out a method of molding plastic
D.
did many experiments, the results of which indicated that plastic could never be softened
查看完整题目与答案
【单选题】What’s wrong with the man?
A.
Hc’s got a cold．
B.
He feels cold．
C.
He has a headache．
查看完整题目与答案
【判断题】激光器中,谐振腔的作用在于使受激光子沿输出轴方向多次往复反射,相互激发,产生链锁反应,加强和改善激光的输出,得到单色性和方向性很好的激光。
A.
正确
B.
错误
查看完整题目与答案
【简答题】听材料，回答问题。 1. What's wrong with Jack? A. He has a headache. B. He has a sore throat. C. He has a stomachache. 2. How long has he been like this? A. For two hours. B. For two days. C. For only one hour....
查看完整题目与答案
【简答题】内蒙古最大的湖泊是什么
查看完整题目与答案
【单选题】内蒙古最大的湖泊是指( )
A.
呼伦湖
B.
贝尔湖
C.
哈素海
D.
鄱阳湖
查看完整题目与答案
【简答题】设外部有一脉冲信号源PLUS，要求用8253—5的计数器0对该信号源连续计数，当计数器计为0时向CPU发出中断请求。 1、画出8253-5的CLK0、GATE0和OUT0的信号连接图。 2、若该芯片的端口地址为40H～43H，计数初值为1234H，写出该计数器工作在方式2按二进制计数的初始化程序。 3、若计数初值为12345H，在上述基础上增加计数器1如何连接以实现计数。
查看完整题目与答案