A: catch prey
B: absorb water
C: fight off bacterial infections
D: attract mates
举一反三
- The most common cause of a cold is: A: Bacterial infections B: Too tired C: Catch cold D: Virus infection
- HSV-1 mainly causes skin and mucous membrane infections in the genital area
- Glands<br/>that secrete substances into the extracellular fluid that surrounds<br/>them are known as _____ glands. A: sweat B: exocrine C: endocrine D: sebaceous
- Endocrine glands secrete amino acids.
- According to the passage, why do many fishes stay in group ？（） A: It helps improve their safety. B: It allows them to swim faster. C: It helps them fight their predators. D: It allows them to avoid twists and turns.
内容
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What does Larry Smith usually do to stop someone from jumping off the bridge A: Remind them that they have children to take care of. B: Try to communicate with them first. C: Call the mother to come fight away. D: Help them to get out of their misty.
- 1
Regular exercise helps to combat stress and is a good way to relax or let off stream. A: slow down B: prevent C: fight D: stop
- 2
According to the author, the real book owners are those who _____. A: have paid for them B: have gained their property right C: have their minds enriched D: have dipped into most of them
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The fight lasted for decades,＿governments have tried to tackle the problem but none of them made it.
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In addition to skin and mucous membrane damage, patients with late<br/>syphilis have the highest incidence of ____? A: Cardiovascular syphilis B: Bone syphilis C: Neurosyphilis D: Eye syphilis E: Oral syphilis