参与三羧酸循环的酶的正确叙述是
将100元进行投资,年利率为12%,每4个月计息一次,5年后的有效年利率为()。
下列不属于建设工程必须招标的规模标准的是( )。
When teaching such words as “left” and “right”, a teacher asks his/her students to touch their left arms and then touch their right eyes.What does this kind of activity exemplify?