在SQL中,删除视图用 ______.A.DROP SCHEMA命令 B.CREAT

题型:单项选择题

问题:

在SQL中,删除视图用 ______.

A.DROP SCHEMA命令

B.CREATE TABLE命令

C.DROP VIEW命令

D.DROP INDEX命令

考点:计算机等级考试VISUALFOXPRO二级VISUALFOXPRO笔试88
题型:单项选择题

将青霉素钾制成粉针剂的目的是

A.免除微生物污染

B.防止水解

C.防止氧化分解

D.携带方便

E.易于保存

题型:单项选择题

安徽花鼓灯流行于淮河两岸,它是哪一朝代开始形成的?()

A.明朝

B.宋朝

C.元朝

题型:单项选择题

短文填词

As we all know,  most of the students feel nervous when taking

an exam.There is no________(疑问) that exams

are important to us,  but it's m________important to

have a right attitude towards them.As a matter of fact,  exams

are no more than________means of evaluating.Why

worry about the results? Only________studying hard

every day and________(准备) for exams in advance

can we avoid suffering from the________(压力)

of exams.We'd better go out for a walk________do

some outdoor exercise before exams.Besides,  having enough sleep

canf________us with energy and make it possible

for us to________well in the exam.A hot bath or 

a cup of hot milk may help those________(感觉)

stressed out before an exam.

题型:单项选择题

采用自耦调压器调压时,使用前检查是否在零位是为了防止误加压。

题型:单项选择题

某监督机构的一名监督人员在监督工程中发现施工单位工程质量存在严重问题,当场对该施工单位进行了2万元的处罚。问该监督人员的行为存在哪些不符合规定之处?依有关规定应如何对工程进行行政处罚?

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