When the disruption occured in the cycle, cycles were pushed back.
举一反三
- For the following cycles, which belong to power cycles ( ) A: Reheat Cycle B: Regenerate Cycle C: Rankine Cycle D: Refrigeration Cycle
- The nutrient cycles between the living and nonliving parts of an ecosystem are called______________.（ ） A: physical cycles B: chemical cycles C: Biogeochemical Cycles D: biological cycle
- The enemy troops were driven back when they ________ to cross the border.
- I"ve no idea when she"ll be back. ______ you wait or come back later is up to you. A: When B: If C: Whether D: That
- I'll tell you all about it when you ______ back. A: were B: come C: will come