29. According to the professor, why were the
jellyfish that the student saw glowing?
A: They were communicating with each other.
B: They were trying to confuse predators with
bright flashes of light.
C: They were avoiding predators by blending in
with their surrounding.
D: They were trying to light up the dark water
so they could see prey.
jellyfish that the student saw glowing?
A: They were communicating with each other.
B: They were trying to confuse predators with
bright flashes of light.
C: They were avoiding predators by blending in
with their surrounding.
D: They were trying to light up the dark water
so they could see prey.
举一反三
- The number of people invited _______ fifty, but a number of them _______ absent for different reasons.[br][/br] [br][/br] A: were; was B: was; was C: was; were D: were; were
- The number of teachers invited ____ fifty, but a number of them ____ absent for[br][/br]different reasons. A: were; was B: was; was C: was; were D: were; were
- Our discussions helped both of us learn more about______. A: what were we trying to achieve B: what we were trying achieving C: we were trying to achieve D: what we were trying to achieve
- Adhesive, such as glue, tape, and gum, vary with the purpose ____<br/>intended. A: they were for B: for they were C: which were they D: for which they were
- What other changes were they trying to make in addition to becoming more economical with power and water usage