皮皮学，免费搜题
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搜题
【单选题】
计算机存储器可分为哪些?A.
软盘和硬盘
B.
磁盘、磁带和光盘
C.
内存储器和外存储器
D.
RAM和ROM
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反馈参考答案：
举一反三
【单选题】免疫酶化学组织的固定不同于其他组织学技术的是
A.
使构成组织细胞成分的蛋白质等不溶于水和有机溶剂
B.
保持细胞与生活时的形态相似
C.
保存组织抗原的免疫活性
D.
有利于切片
E.
便于区分不同的组织成分
【单选题】He pretended to be English, but his foreign accent ________.
A.
threw him away
B.
put him away
C.
gave him away
D.
carried him away
【单选题】I often hear him ______.Today when I pass(经过)the classroom, I hear him ______again .
A.
sing; singing
B.
singing; sing
C.
singing; singing
D.
sing; sing
【简答题】是组成植物体的最小基本单位,细胞构成组织,组织构成器官,器官构成植物体。
【单选题】Which of the following statements about the UK charts is false?
A.
All of the charts are published on Friday nights.
B.
There are both weekly charts and monthly charts.
C.
The Official Charts Company compiles various "official" UK record charts.
D.
There are many different charts, such as the Official Singles Chart, Official Albums Chart, Official Compilations Chart, etc.
【单选题】_____________is a comprehensive reference in graphical and textual form of all Admiralty Charts and Publications worldwide (link to Admiralty Charts) listed by region.
A.
Ocean Passages for the World (NP136)
B.
Symbols and Abbreviations used on Admiralty Charts, Chart 5011
C.
IALA Maritime Buoyage System (NP735)
D.
Catalogue of Admiralty Charts and Publications (NP131)
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