Lightning bugs can blink themselves because of a chemical substance Why do female lightning bugs have brighter and stronger light than male lightning bugs
A: Because they have different physical construction.
B: Because they are more offensive than male lightning bugs.
C: Because they want to frighten their enemies.
D: Because they try to attract males to them.
A: Because they have different physical construction.
B: Because they are more offensive than male lightning bugs.
C: Because they want to frighten their enemies.
D: Because they try to attract males to them.
举一反三
- Lightning bugs can blink themselves because of a chemical substance Lightning bugs can blink themselves because of a chemical substance A．in the head. B．in the tail. C．in the abdomen, D．in the wing. A: in the head. B: in the tail. C: in the abdomen, D: in the wing.
- Lightning bugs can blink themselves because of a chemical substance According to the passage, which of the following about lightning bugs is INCORRECT A: They use blinking signals to communicate. B: They use blinking signals to seek for food. C: They use blinking signals to attract their own species. D: They use blinking signals to frighten and warn enemies.
- _________needs to be renewed because the bugs need to be debugged.
- Why do Chinese people eat fish on New Year's Eve? A: Because they want to live longer. B: Because they want to have more gold in the coming year. C: Because they want to have more luck in the new year. D: Because they want to have more than they need in the new year.
- _________needs to be renewed because the bugs need to be debugged. A: Software B: Hardware C: IP address D: Virus