In sea stars, the ( ) surface is the top of the animal and contains the madreporite.
A: aboral
B: oral
C: madreporite
D: anal
E: rigid
A: aboral
B: oral
C: madreporite
D: anal
E: rigid
A
举一反三
- Would you like to get up early tomorrow______.(） A: seeing the sun rising above the surface of the sea B: to see the sun rise above the surface of the sea C: see the sun rise above the surface of the sea D: to see the sun rising above the surface
- Where is the measuring position of the uneven gauge in our country？ A: 10mm below the rail top surface B: 12mm below the rail top surface C: 14mm below the rail top surface D: 16mm below the rail top surface
- STIs can be spread through___ A: penis + vagina = sex B: oral sex C: anal sex D: ubbing, touching genitals E: infected objects F: kissing, deep kissing
- The geoid surface is treated as the surface of mean sea level, which is important for measuring elevations or heights. （ ）
- Freud believes that harsh potty training during ( ) will lead to obsession with cleanliness and paranoia in adulthood. A: the oral stage B: the anal stage C: the phallic stage D: the latent stage
内容
- 0
A sea animal that comes ashore in Antarctica at certain times is the ______________.
- 1
The South China Sea contains the world's largest reserve of ( ).
- 2
You know sea covers more than 70 percent of the surface of the earth. A: the B: an C: a D: /
- 3
Top stars usually avoid attending awards shows in Hollywood.
- 4
Choose those that are connotations of the word "ocean". A: a large body of salt water that covers approximately 70% of the earth’s surface B: appears different shades of blue C: often with waves and currents D: contains various types of plant and marine animal life E: peace F: tranquility G: expansiveness H: the unknown I: the power of nature