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【单选题】
在80x86微机的输入/输出指令中,I/O端口号通常是由DX寄存器提供的,但有时也可以在指令中直接指定00~FFH的端口号。试问可直接由指令指定的I/O端口数是( )?
A.
255
B.
1024
C.
256
D.
512
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【多选题】适宜间套作的作物搭配是()
A.
高秆与矮秆
B.
高秆与高秆
C.
深根与浅根
D.
早熟与晚熟
【单选题】The example given in the passage illustrates how ______.
A.
pure science operates independently of applied science
B.
the applied scientist discovers the basic laws of nature
C.
applied science defines all the areas in which basic research is done
D.
applied science suggests problems for the basic scientist
【多选题】患者女,65岁。肥胖,有高血脂史,高血压180/100mmHg,近日心前区发生疼痛。如考虑为心绞痛,稳定型心绞痛的临床表现特点包括
A.
胸骨后疼痛常由劳累、情绪激动所诱发
B.
疼痛性质常表现为针刺样、麻木感觉
C.
持续时间一般为3-5分钟,不超过15分钟
D.
休息和舌下含服硝酸甘油可以缓解
E.
体位改变和呼吸运动可加重胸痛
【单选题】( )是法治有效运转所不可或缺的保障条件。
A.
组织保障
B.
人才保障
C.
制度保障
D.
技术保障
【判断题】《渡荆门送别》一诗中描绘了诗人外出远游思念家乡之情。()
A.
正确
B.
错误
【多选题】按照《建设工程施工合同》通用条款的规定,因不可抗力事件导致的损失应由发包人承担的包括( )。
A.
工程本身的损害
B.
由发包人采购,已运至施工现场待安装设备的损害
C.
由承包人采购,已运至施工现场待安装设备的损害
D.
承包方人员伤亡
E.
承包人停工损失
【简答题】. [A] Thus a joke is laughed at for its own sake, even though there is an independent value in laughter, which lightens our lives by taking us momentarily outside ourselves. Why should not something s...
【简答题】. [A] Thus a joke is laughed at for its own sake, even though there is an independent value in laughter, which lightens our lives by taking us momentarily outside ourselves. Why should not something s...
【单选题】Which of the f o ll o wi n g methods cannot help young people achieve independen t adulthood?
A.
Lowering college tuition.
B.
Improving college graduation rates.
C.
Launching more broadly ava i lable paid national ser v ice p r ograms
D.
Strengthening c onnections between universities and the job market.
【单选题】PowerPoint中停止幻灯片播放的快捷键是()
A.
End
B.
ctrl+E
C.
esc—若按了esc键,则立即退出幻灯片的放映
D.
Ctrl+c
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