我们下周有化学实验考试，占总成绩的30%。

We have chemistry ___practicals next week, which count for 30% of the final grade.

这门课程更注重实践而非理论概念。

This course emphasizes the ___practical more than theoretical concepts.

生物学的实践课通常在周四上午进行。

The biology ___practicals usually take place on Thursday mornings.