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【单选题】单烯烃的通式是() A . C n H 2n (n≥3)               B . C n H 2n+2 C .C n H 2n-2 D . C n H 2n (n≥2)
A.
CnH2n (n≥3)
B.
CnH2n+2
C.
CnH2n-2
D.
CnH2n (n≥2)
【单选题】常用的热处理方法有( )、回火、退火、正火4种。
A.
调质
B.
淬火
C.
低温回火
D.
球化
【单选题】A system administrator is creating four LPARs on a Power 550. The Power 550 has 64GB of memoryinstalled and 32GB activated. The system administrator sets the minimum dedicated memory to 8GB in the pro...
A.
The Power 550 is licensed for three LPARs only.
B.
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. A faulty memory DIMM is detected in the POWER5 550.
C.
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. The HMC reserves some memory to perform logical partition tasks.
D.
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. The hypervisor reserves some memory to perform logical partition tasks.
【单选题】单烯烃的通式是( )
A.
C n H 2n+2
B.
C n H 2n
C.
C n H 2n-2
D.
C n H 2n-6
【单选题】在PowerPoint 2010中,下列说法正确的是_____。
A.
不可以在幻灯片中插入剪贴画和来自文件的图片
B.
可以在幻灯片中插入声音(即音频)和影像(即视频)
C.
不可以在幻灯片中插入艺术字
D.
不可以在幻灯片中插入超链接
【单选题】肾病综合征常用如下利尿剂治疗,其中哪种利尿剂分类是错误的()
A.
呋塞米为噻嗪类利尿剂
B.
氨苯喋啶为潴钾利尿剂
C.
布美他尼为袢利尿剂
D.
不含钠的低分子右旋糖酐为渗透性利尿剂
E.
螺内酯为潴钾利尿剂
【单选题】单烯烃的通式是?
A.
CnH2n+2
B.
CnH2n
C.
CnH2n-2
D.
以上都不是
【多选题】A digital computer has a memory unit with 32 bits per word. The instruction set consists of 500 different operations. All instructions have an operation code part (opcode) and an address part (allowin...
A.
2^24
B.
2^23
C.
2^32-1
D.
2^24-1
【单选题】在PowerPoint 2010中,以下对于艺术字的用法的说法不正确的是( )。
A.
艺术字是作为图形对象处理的
B.
艺术字是作为文本对象处理的
C.
艺术字可整体缩放
D.
艺术字有多种式样和字体字号
【单选题】单环单烯烃分子式的通式是 ( )
A.
C n H 2n+2
B.
C n H 2n
C.
C n H 2n-2
D.
C n H 2n+6
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