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【简答题】
多线程访问某个共享资源可能出现线问题,此时可以使用关键字来实现线程同步,从而避免安全问题出现,但会影响性能,甚至出现死锁。
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举一反三
【单选题】—Alice is moving to her new apartment next Saturday—I' be glad to help her, _____need some help.
A.
should she
B.
if she will
C.
if she
D.
if she might
【单选题】—Have you got any job offer? —No, I______.
A.
am waiting
B.
waited
C.
had waited
D.
have waited
【单选题】Look！How much________ Alice looks wearing her new show dress!
A.
well
B.
good
C.
better
D.
best
【单选题】I have had my radio_____, and do you have any radios _____in the same shop? [ ]
A.
repair, to repair
B.
repaired, to be repaired
C.
repaired, repair
D.
to repair, repairing
【单选题】村、社区党支部委员会每届任期5年,其他基层单位党支部委员会一般每届任期【 】年。(出题单位:内蒙古呼伦贝尔市直属机关工委 推荐单位:内蒙古学习平台)
A.
1
B.
2
C.
3
D.
4
【单选题】根据下面的程序,说明程序的执行结果() #------------d:/administrator/Desktop/new3.sh---------------------- #!/bin/bash #定义函数john() john() { echo "Hello,this is John" } #定义函数alice() alice() { #调研John()函数 john echo "Hello...
A.
Hello,this is Alice
B.
Hello,this is John
C.
Hello,this is Alice Hello,this is John
D.
Hello,this is John Hello,this is Alice
相关题目：
【单选题】—Have you got any job offer? —No, I______.
A.
am waiting
B.
waited
C.
had waited
D.
have waited
【单选题】Look！How much________ Alice looks wearing her new show dress!
A.
well
B.
good
C.
better
D.
best
参考解析：
知识点：
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