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【单选题】
.在硫酸介质中,用 Na 2 C 2 O 4 基准物标定 KMnO 4 溶液时,如果溶液温度过高,则使得 KMnO 4 的浓度
A.
偏低
B.
偏高
C.
不影响结果
D.
无法确定
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参考答案:
举一反三
【单选题】关于视图下列哪个说法是错误的( )
A.
视图是一种虚拟表
B.
视图中也存有数据
C.
视图也可由视图派生出来
D.
视图是保存在数据库中的select查询
【单选题】学生在图书馆最大借阅册数和借阅期限分别是?
A.
15册,30天
B.
12册,30天
C.
15册,60天
【单选题】学生校园一卡通借阅图书的权限是如何规定的 ()
A.
学生限借图书 5 册 , 借期 180 天
B.
学生限借图书 3 册 , 借期 180 天
C.
学生限借图书 5 册 , 借期 90 天
D.
学生限借图书 3 册 , 借期 90 天
【单选题】The purpose of a mission statement is to declare all of these EXCEPT
A.
a reason for being
B.
an annual financial plan
C.
a statement of purpose
D.
a statement of beliefs
E.
whom it wants to serve
【单选题】Which of the following is not the tip for the specific purpose statement?
A.
Write the purpose statement as a full infinitive phrase
B.
Express your purpose as a statement, not as a question
C.
Use figurative language in your purpose statement
D.
Make sure your specific purpose statement is not too vague or general
【单选题】学生 读者借阅图书的期限是多久?
A.
30 天
B.
一个月
C.
35 天
D.
60 天
【简答题】Watch a video and pay attention to how the speakers describe the new type of a animal. Check the words or phrases that describe the animal. A. crawls B. speaks C. makes "bobo" sounds D. looks ugly E. ...
【多选题】What are the elements for a purpose statement?
A.
purpose noun
B.
action verb
C.
summary
D.
topic
【单选题】功率可以用千瓦表示,也可以用马力表示,一匹马力约为_____千瓦。
A.
0.5675
B.
0.7462
C.
0.8634
D.
1
【单选题】Which is an effective purpose statement?
A.
The purpose of my speech is to inform.
B.
After my speech, the audience will be able to list four reasons why young people join gangs.
C.
My purpose is to inform you about crime and to persuade you to stay out of gangs.
D.
The purpose is to inform the audience about crime.
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