What is the organ in the female<br/>body that produces eggs? A: uterus B: vulva C: ovary D: vagina

The scenery will change, _____<br/>small fields separated by bushes to a flat landscape with windmills<br/>to a forest covered with snow. A: to B: towards C: from D: with

Chimpanzees are the closest primate relatives of humans, but the biggest difference between humans and chimpanzees during breeding is ( ). A: Chimpanzees ovulate more B: Human ovulation is more pronounced C: Chimpanzee sexual activity is not concentrated solely in the most vulnerable stages of pregnancy throughout the ovulatory cycle D: Swollen, bright red genitalia during human reproduction

The large pieces of field on the plain are separated by ______ of<br/>small trees. A: novelties B: hedges C: notions D: definitions

（）from other continents for millions of years, Australia has varieties of species which can hardly be found in other parts of the world. A: Being separated B: Having been separated C: To be separated D: To have been separated