【简答题】硅二极管的反向饱和电流比锗二极管的反响饱和电流()。
【单选题】()是一种显性的政治文化,是以语言、文字等明确的符号体系为载体,具有严密的逻辑推理和完整的思想框架。
【单选题】Choose the phrase that is closest in meaning to the underlined part. A frame header is attached which contains information required to synchronize to and decode the encoded bit stream .
A.
necessary in synchronization, decoding, and encoding of the data bits
B.
required for the synchronization between the decoded and encoded bit stream
C.
needed to synchronize to the decoded data stream
D.
necessary for the encoded data stream to be synchronized and decoded
【多选题】十九世纪下半叶,以自强求富为目标的洋务运动历时30年。其最终失败的主要原因是( )。
【多选题】The following data fragment occurs in the middle of a data stream for which the byte- stuffing algorithm described in the text is used:
C.
ESC C ESC FLAG FLAG D. What is the output after stuffing?
【简答题】历史悠久的汉语言文字不仅是中华文化的载体,而且本身就是一种灿烂的文化,若寻找 这一文化的源头,最早可以追溯到_____。 A: 夏朝 B: 商朝 C: 西周 D: 东周
【单选题】Big data is the driving force behind this zone's development, a steady stream of new big data construction projects constantly _______.
【多选题】The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issu...
A.
No transaction on the tablespace is allowed but you can perform queries.
B.
The tablespace will automatically come out of backup mode when the file copy is complete.
C.
The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
D.
The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.
【多选题】十九世纪下半叶,以自强求富为目标的洋务运动历时 30 年,最终失败的重要原因
【单选题】语言文字是文化的载体,是各种文化元素中最基础、最基本的部分。如果说英语是对外交流的一种工具,那么汉语则是我们安身立命的根基。前者为末后者为本,前者为术后者为道,前者为芝麻后者为西瓜。舍其本而逐其末,疏于道而精于术,捡了芝麻丢了西瓜,实为大愚若智,肯定得不偿失。句中“疏于道而精于术”是指( )。