【单选题】某企业2007年12月31日固定资产账户余额为2000万元,累计折旧账户余额为800万元,固定资产减值准备账户余额为100万元,在建工程账户余额为200万元。该企业2007年12月31日资产负债表中固定资产项目的金额为( )万元。
【单选题】what does Computer program mean
A.
Command sequence to achieve a given task
B.
Collection of all commands
C.
Basic operation commands that the computer can recognize and execute
D.
High-level programming language statements
【单选题】A sender and receiver is using Stop-and-Wait for error control. The receiver sends an acknowledgment (ACK) with the sequence number 5. What does it mean?
B.
All frames with sequence number less than 5 are received.
C.
The sender should retransmit from frame-5.
【单选题】某企业2008年12月31日固定资产账户余额为3000万元,累计折旧账户余额900万元,固定资产减值准备账户余额100万元,工程物资账户余额200万元。该企业2008年12月31日资产负债表“固定资产”项目的金额应为( )万元。
【单选题】What sequence does the author follow to compose the essay?
B.
Chronological sequence
【单选题】What does the enzyme reverse transcriptase do?
A.
Using the amino acid sequence of a protein as a template, it makes an RNA molecule.
B.
Using RNA as a template, it makes a DNA molecule.
C.
Using RNA as a template, it makes an RNA molecule.
D.
Using DNA as a template, it makes an RNA molecule.
【单选题】某企业2010年12月31日固定资产账户余额为3000万元,累计折旧账户余额为900万元,固定资产减值准备账户余额为100万元,工程物资账户余额为200万元。该企业2010年12月31日资产负债表“固定资产”项目的金额应为( )万元。