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【单选题】
I can't stand him. He always talks as if he ______ everything.A.
know
B.
has known
C.
knew
D.
had known
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列关于线程同步的说法错误的是
A.
线程同步就是限制访问临界区
B.
线程同步也具有控制线程执行顺序的含义
C.
互斥量和信号量是典型的同步技术
D.
线程同步是代替进程 IPC 的技术
【单选题】听力原文：W: Hi, Tom, you look tired this morning. M: I am not feeling well this morning because I stayed up all night and solved the math problem. Q: What did the man do last night? (13)
A.
He couldn't sleep well because of his illness.
B.
He slept for a while and studied a little.
C.
He didn't do anything in particular.
D.
He studied mathematics all night.
【简答题】提交第325页总账结账截图
【单选题】–Hi, Tom, You look tired. --Yes, I _____________ the room all the afternoon.
A.
painted
B.
had painted
C.
have painted
D.
have been painting
【单选题】听力原文：W: Hi, Tom, you look so worried? M: Well, I'm just worrying about the interview tomorrow. Q: What is Tom worrying about? (7)
A.
His report.
B.
His paper.
C.
His plan.
D.
His interview.
【简答题】A．One month, B．One month and a half. C．Two months. D．Two months and a hale
【单选题】– Hi, Tom, you look tired. – I am very tired. I ______ the living room all day.
A.
painted
B.
had painted
C.
have painted
D.
have been painting
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