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【多选题】
下列关于调味品中盐分的测定说法正确的是( )。
A.
直接滴定法,以铬酸钾为指示剂
B.
计算结果保留二位有效数字
C.
样品溶液的蛋白质含量较高,应除去蛋白质后再进行氯化物的测定
D.
滴定前溶液的pH值调整到中性或弱碱性较适宜
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【单选题】What is the main idea of the news item?
A.
News International apologized for the phone hacking scandal.
B.
Several people were jailed because of the phone hacking scandal.
C.
The compensation for the phone hacking scandal cost ten million dollars.
D.
News International's phone hacking scandal involved many celebrities.
【单选题】Questions 20 and 21 are based on the following news. At the end of the news item you will be given 20 seconds to answer the questions. Now listen to the news.  A police spokesman said the devices wer...
A.
1.
B.
2.
C.
13.
D.
14.
【简答题】Questions 28 to 30 are based on the following news At the end of the news item, you will be given 15 seconds to answer the questions. Now, listen to the news. Who will be the ball girls at the s...
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【多选题】下列选项中,不属于CSS功能的是
A.
背景和边框
B.
音频视频
C.
动画
D.
单击事件
【单选题】有以下定义:int a; long b; double x,y; a则以下选项中正确的表达式是
A.
a%(int)(x-y)
B.
a=x !=y;
C.
(a*y、%b
D.
y=x+y=x
【单选题】有以下定义:int a;long b;double x,y;则以下选项中正确的语句是
A.
a%(int)(x-y)
B.
a=x!=y;
C.
(a*y)%b
D.
y=x+y=x
【单选题】有以下定义:int a;long b;double x,y;则以下选项中正确的表达式是( )。
A.
a%(int)(x-y)
B.
a=x!=y;
C.
(a*y)%b
D.
y=x+y=x
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