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【单选题】
-What do you think of Mike? -A nice boy! __________ a monitor, he not only studies hard but also likes helping his classmates. [ ]A.
For
B.
To
C.
With
D.
As
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皮皮学刷刷变学霸
举一反三
【单选题】病人,男性20岁,注射青霉素后5分钟,胸闷、气急、皮肤瘙痒、面色苍白、脉搏细弱、血压下降、烦躁不安。针对上述反应,护士首先采取的措施是
A.
立即平卧，皮下注射盐酸肾上腺素
B.
皮下注射盐酸异丙肾上腺素
C.
立即静脉注射地塞米松
D.
立即注射呼吸兴奋剂
E.
立即注射升压药
【简答题】CPU从______取出一条指令并执行这条指令的时间和称为______。由于各种指令的操作功能不同，各种指令的指令周期是______。
【单选题】I’m sorry, madam, those shoes are only ____ in small sizes. You can come again the day after tomorrow.
A.
available
B.
renewable
C.
satisfying
D.
acceptable
【单选题】听力原文：W: You look unhappy. What's wrong? M: I want to go cycling with my friends tomorrow. But my bike is broken. W: Don't worry, Jim. I can lend mine to you. M: Thanks a lot, Mary. Q: Whose bike is br...
A.
Jim's.
B.
Tom's.
C.
Mary's.
【单选题】—Why, Jack, you looks so tired! —Well, I______the house and I must finish the work tomorrow.
A.
was painting
B.
will be painting
C.
have painted
D.
have been painting
【简答题】偶然误差服从的统计规律为 。
【多选题】关于指令周期描述正确的是( )。
A.
CISC 中，由于各种指令的操作功能不同，各种指令的指令周期是不尽相同的
B.
CPU 从存储器取出一条指令的时间称为指令周期
C.
划分指令周期，是设计操作控制器的重要依据
D.
RISC 中，由于流水执行，大部分指令在一个机器周期完成
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