A: 对
B: 错
举一反三
- The oxidation state of the elements can be positive, negative or zero.
- Regular repetition and parallelism are examples showing how to achieve certain stylistic effect by taking the ( ) method. A: qualitative deviation or incongruity B: quantitative deviation or incongruity C: quantitative deviation or deflection D: qualitative deviation or deflection
- A sample of size 40 is to be taken from an infinite population whose mean and standard deviation are 68 and 12, respectively. The probability that the sample mean will be larger than 70 is:
- The difference between the sample size and the population size is called the sampling error.
- The work done by static friction can be: A: Positive B: Negative C: Zero D: Any of the others
内容
- 0
If the current direction of each mesh is the same, the mutual resistance of each mesh equation ( ). A: is always negative B: is always positive C: is always zero D: can be positive or negative
- 1
The meaning of the prefix "mini-" in "miniskirt" can be grouped as __________. A: negative B: attitude C: time and order D: degree and size
- 2
The meaning of the prefix "dis-" in "disapprove" can be grouped as ______. A: negative B: attitude C: time and order D: degree and size
- 3
The meaning of the prefix "counter-" in "counter-terrorism" can be grouped as_______. A: negative B: attitude C: time and order D: degree and size
- 4
Considering the inaccuracy of machining processes, we are difficult to get an actual<br/>dimension after machining.Therefore, ____ A: tolerance was set for the acceptable variation of size B: dimensions may meet the design demands perfectly C: limits can answer the question well D: a considerable degree of deviation is allowed