无限花序/ Indeterminate inflorescence

3. The variance of y is ( ) A: 0.44 B: 0.66 C: 4.6 D: indeterminate

3. The expected value of x is （ ） A: 2.0 B: 2.1 C: 2.6 D: indeterminate

复选框（）属性设置为Indeterminate，则变成灰色，并显示一个选中标记。

4. If all the x values were increased by 5 in this table, then the answer to question 3 would be （ ） A: Unchanged B: increased by 5 C: multiplied by 5 D: indeterminate

CSS3定义了很多UI元素状态伪类选择器,其中()表示选择匹配E的所有不可用UI元素。 A: E:enabled B: E:checked C: E:disabled D: E:indeterminate

An increase in market supply and an increase in market demand will result in A: A decrease in equilibrium price and an increase in equilibrium quantity B: A decrease in equilibrium price - the change in equilibrium quantity is indeterminate C: An increase in equilibrium quantity and the change in price is unclear D: all of above

The reason why the span capacity of suspension bridge is much greater than that of other bridge types is that_______( ). A: Suspension bridge has a long history . B: The number of statically indeterminate suspension bridge is less, so the calculation and analysis are the most simple. C: The most advanced construction method of suspension bridge. D: The stress of main cable of suspension bridge is reasonable, and the structure is not limited.