更多"(Electronic) mail to describe an up"的相关试题:
[单项选择]Why is electronic mail widely used in business
A. Because it can speed up the sending of messages.
B. Because it is a fashionable gadget to the businessman.
C. Because it is cheap and efficient.
D. Because it is a part of business life.
[单项选择]Why was electronic mail unsuccessful in the past
[单项选择]Computer data bases and electronic mail systems have been around since the late 1970s.
A. 计算机数据库和电子邮件自20世纪70年代末，便无处不在了。
B. 20世纪70年代后期以来，计算机数据库和电子邮件系统已被广泛使用。
C. 20世纪70年代末，计算机数据基础和电子邮递系统就已经在大家周围了。
D. 在20世纪70年代后期，计算机数据库和电子邮件已普及了。
[单项选择]Computer date base and electronic mail systems have been around since the late 1970s.
A. 计算技术数据库和电子邮件自20世纪70年代末，便无处不在了。
B. 20世纪70年代后期以来，计算机数据库和电子邮件系统已广泛使用。
C. 到20世纪70年代，计算机数据基础和电子邮件系统就已经存在了。
D. 在20世纪70年代后期，计算机数据库和电子邮件已经普及了。
[单项选择]According to the passage, "electronic mail" is a way to ______.
A. replace the old mail system
B. get electronics by mail
C. connect the users to the post office
D. communicate by personal computers or computer terminals
[单项选择]电子邮件(Electronic Mail，缩写为E-mail)是因特网最主要和最常用的功能，下面关于电子邮件的描述不正确的是_______。
A. 电子邮件的传递速度非常快，可以做到及时传递
B. 电子邮件系统遵从C/S模式
C. 电子邮件是一种节省的通信手段，它的费用比传真和长途电话低很多
D. 可以发送包括文字和声音信息，但不能发送图像信息
[多项选择]Which four statements correctly describe functions that are available in SQL? （）
A. INSTR returns the numeric position of a named character.
B. NVL2 returns the first non-null expression in the expression list.
C. TRUNCATE rounds the column, expression, or value to n decimal places.
D. DECODE translates an expression after comparing it to each search value.
E. TRIM trims the heading of trailing characters (or both) from a character string.
F. NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.
G. NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.
[单项选择]The engineer brought the students to the workshop to see the planes ______.
A. being repaired
B. be repaired
C. to be repaired
D. to repair
[单项选择]
It will also describe the considerable regulatory and political risks associated with such projects, along with the stratagems developed to mitigate them.（）
A. tricks
B. laws
C. compliments
D. semantics
[单项选择]Modern linguistics attempts to describe and analyse the language people actually use, and not to lay down rules for "correct" linguistic behaviour, so it is supposed to be
A. descriptive.
B. prescriptive.
C. communicative.
D. predictive.
[单项选择]The following statements describe the project management office (PMO) EXCEPT ______ .
[单项选择]Which of the following most appropriately describes the author's logic of writing this passage
A. Analyze an issue and in the end draw a conclusion.
B. Present and analyze an opinion and then argue against it.
C. Compare two different opinions and prove one of them is right.
D. Present a question, analyze it and make efforts to answer it, and in the end leave the question unanswered.
[多项选择]Which two statements describe the forwarding table in the Junos OS?（）
A. The forwarding table contains all known routes.
B. The forwarding table stores a subset of information from the routing table.
C. Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop.
D. If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination.
[多项选择]Which three statements correctly describe the functions and use of constraints? （）
A. Constraints provide data independence.
B. Constraints make complex queries easy.
C. Constraints enforce rules at the view level.
D. Constraints enforce rules at the table level.
E. Constraints prevent the deletion of a table if there are dependencies.
F. Constraints prevent the deletion of an index if there are dependencies.
