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【单选题】
下列有关Java线程的说法中,正确的是______。
A.
Java中的线程模型包括虚拟的CPU和程序代码两部分
B.
Java中，一个程序的一次执行对应一个线程
C.
线程创建后需要通过调用start()方法启动运行
D.
只有Java能够支持基于多线程的并发程序设计
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参考答案：
举一反三
【简答题】has two wheels and pedals
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【简答题】A．Because it has plastic wheels. B．Because it has plastic tires. C．Because it has a plastic frame. D．Because it has no metal parts.
查看完整题目与答案
【判断题】___ The lathe has two abrasive wheels.
A.
正确
B.
错误
查看完整题目与答案
【单选题】A tricyle has _____ WHEELS.
A.
two
B.
four
C.
six
D.
three
查看完整题目与答案
【单选题】______ I can see, the two wheels which are supposed to turn round do not turn atound.
A.
As long as
B.
As far as
C.
So long as
D.
As soon as
查看完整题目与答案
【简答题】There are ___ wheels on the step. Two wheels are directly installed on the ____, which are called auxiliary wheels. The other two wheels are installed on the step chain to make the step and the step c...
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【单选题】如下图所示,利用直流通断法来判断同名端正确的是
A.
电流表读数在开关K闭合很久后才能读数
B.
电流表读数在开关K闭合一瞬间就要读数
C.
在开关K闭合或者断开一瞬间电流表的读数是一致的
D.
电流表读数在开关K闭合很久后读数不为零
查看完整题目与答案
【单选题】如下图所示,利用直流通断法来判断同名端正确的是
A.
电源、导线、电流表均为直流。
B.
电源、导线、电流表均为交流。
C.
电源、导线均为直流，电流表为交流。
D.
电源、导线均为交流，电流表为直流。
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【单选题】Thomas ________ the army for two years,so he misses his mother very much.
A.
has joined       
B.
has taken part in       
C.
has been in
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【单选题】____ it got four wheels? [     ]
A.
Have
B.
There
C.
Has
查看完整题目与答案
相关题目：
【简答题】has two wheels and pedals
查看完整题目与答案
【简答题】A．Because it has plastic wheels. B．Because it has plastic tires. C．Because it has a plastic frame. D．Because it has no metal parts.
查看完整题目与答案
【判断题】___ The lathe has two abrasive wheels.
A.
正确
B.
错误
查看完整题目与答案
【单选题】A tricyle has _____ WHEELS.
A.
two
B.
four
C.
six
D.
three
查看完整题目与答案
【单选题】______ I can see, the two wheels which are supposed to turn round do not turn atound.
A.
As long as
B.
As far as
C.
So long as
D.
As soon as
查看完整题目与答案
【简答题】There are ___ wheels on the step. Two wheels are directly installed on the ____, which are called auxiliary wheels. The other two wheels are installed on the step chain to make the step and the step c...
查看完整题目与答案
【单选题】如下图所示,利用直流通断法来判断同名端正确的是
A.
电流表读数在开关K闭合很久后才能读数
B.
电流表读数在开关K闭合一瞬间就要读数
C.
在开关K闭合或者断开一瞬间电流表的读数是一致的
D.
电流表读数在开关K闭合很久后读数不为零
查看完整题目与答案
【单选题】如下图所示,利用直流通断法来判断同名端正确的是
A.
电源、导线、电流表均为直流。
B.
电源、导线、电流表均为交流。
C.
电源、导线均为直流，电流表为交流。
D.
电源、导线均为交流，电流表为直流。
查看完整题目与答案
【单选题】Thomas ________ the army for two years,so he misses his mother very much.
A.
has joined       
B.
has taken part in       
C.
has been in
查看完整题目与答案
【单选题】____ it got four wheels? [     ]
A.
Have
B.
There
C.
Has
查看完整题目与答案
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