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【单选题】
—What shall we do this Sunday? —Why ________ to the Science Museum? [     ]
A.
not to go
B.
not go
C.
don't go
D.
not you go
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【单选题】“形散神聚”是( )构造的特点。
A.
诗歌
B.
散文
C.
小说
D.
戏剧
【判断题】信用证是依据贸易合同开立的,受贸易合同的约束。( )
A.
正确
B.
错误
【简答题】已知PⅢ CPU主频为1G,则该CPU时钟周期为()ns。
【判断题】形散神聚是散文构造的特点。
A.
正确
B.
错误
【单选题】In the process of meiosis,DNA replication of each chromosome occurs,form ing a structure consisting of two sister chromatids attached to a single centromere.What is this structure?
A.
A duplicated chromosome
B.
Two chromosomes
C.
A synapsed chromosome
D.
A crossover chromosome
【单选题】已知某计算机 CPU 的外频为 133MHz ,其主板上倍频跳线在 6 的位置上,则该计算机的主频为()
A.
800MHz
B.
700MHz
C.
900MHz
D.
600MHz
【判断题】间接贸易一定包含着转口贸易。()
A.
正确
B.
错误
【单选题】Which are features of nuclear division by mitosis? 1. forms cells of equal size to the parent cell 2. forms genetically identical cells 3. semi-conservative replication of DNA
A.
1 and 2 only
B.
2 and 3 only
C.
2 only
D.
1, 2 and 3
【单选题】When dose the replication of the cirus peak in many viral infections?
A.
at or before the manifestation of clinical symptoms
B.
after the manifestation of clinical symptoms
C.
at any time
D.
after recovery
【单选题】已知某CPU的主频为800MHZ,其主板上倍频跳线在6的位置上,则该计算机的外频为( )。
A.
66MHZ
B.
100MHZ
C.
133MHZ
D.
150MHZ
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