【简答题】快速分析法的特点是分析速度快,但误差比较大,常用于车间控制分析,俗称( ) 。
【判断题】仪器分析法的特点是分析速度快,灵敏度高,样品用量少,选择性高。
【简答题】句型转换 1. They are American lions. (改为单数句子) ______ ______ ______ American lion. 2. The wolf eats vegetables and fruit. (改为否定句) The wolf ______ ______ vegetables ______ fruit. 3. There're some elephants ...
【简答题】快速分析法的特点是分析速度( ),分析误差较( )
【单选题】网上银行、电子商务等交易过程中,确保数据的完整性是指________。
C.
数据不被非法篡改,保证在传输(存储)前后保持完全相同
【判断题】控制电位库仑分析法的特点之一是分析速度快。 ( )
【简答题】This will be his last season on American _______.
【单选题】Why did the Japanese staff complain to the American manager?
A.
The American manager had lied to them.
B.
The salary increases were insufficient.
C.
Most staff had not received salary increases.
D.
There was a misunderstanding of the word “fair”.
【判断题】仪器分析法的主要特点是分析速度快,灵敏度高,样品用量少,选择性不高。
【判断题】控制电位库仑分析法的特点之一是分析速度快