更多"The Weddell seal of Antarctica can "的相关试题:
[单项选择]The seal hunter begs forgiveness of the old seal because ______.
A. he is sorry to have wounded the old seal
B. he is afraid that the seals would kill him
C. he knows that the old seal is the king in the kingdom of the seals
D. the seals give him many pearls
[单项选择]Why was the hydraulic fuel pump seal important for the space shuttle
A. Because previous seals all failed.
B. Because it was very complex in running the space program.
C. Because cracks in the seals could be disastrous.
D. Because great care has to be taken of the hydraulic fuel pump sealing.
[单项选择]Only after a baby seal is pushed into the sea by its mother ______ how to swim.
A. will it learn
B. it will learn
C. has it learned
D. it has learned
[单项选择]The two delegates had an in-depth exchange of views on how to enhance their cooperation ______.
A. ethical
B. bilateral
C. mandatory
D. subsidiary
[单项选择]It is clear from the passage that coastal depth ______.
A. is the only factor influencing the strength of high waves
B. influences the power of high waves
C. has no influence upon the strength of very high waves
D. is irrelevant to the question of the power of high waves
[单项选择]In 1932，in the depth of the depression，the American people chose ___________ as their next president who promised to get the U.S. out of the depression.
A. Theodore Roosevelt
B. Franklin D. Roosevelt
C. Woodrow Wilson
D. Herbert C. Hoover
[单项选择]It is obvious that the depth of the sea near the coast ______.
[名词解释]高跨比（gao kua bi）depth-span ratio
[单项选择]“Difference in Depth of Modulation”的含义是（）。
A. 频差
B. 调制度和
C. 调制度差
D. 频偏
[单项选择]“Sum in Depth of Modulation”的含义是（）。
A. 频差
B. 调制度和
C. 调制度差
D. 频偏
[单项选择]You can be happy if your surgeon can operate because it means ______.
A. you are getting better already
B. he knows you will survive
C. he is a good doctor
D. he thinks your condition may be curable
[单项选择]It can be inferred that a hearing aid can function well at ______.
A. a quiet place or corner
B. a classroom with many students
C. a cinema with comfortable seats
D. a carpeted room where a party is on
[单项选择]He now can vote, he can enter into financial contracts, and he is _________to run for public office.
A. attributed
B. entitled
C. credited
D. presented
[单项选择]I can't understand how he can feel that his colleagues are always ready to denounce him.
A. compliment
B. criticize
C. flatter
D. challenge
[单项选择]We can learn from the passage that shyness can ______.
A. help us to live up to our full development.
B. enable us to understand ourselves better.
C. block our chances for a successful life.
D. have nothing to do with lack of self-esteem.
[单项选择]I can see some spoons, but I can't see any
[单项选择]Radiation can hurt us in that it can ______.
A. affect the healthy growth of our offspring
B. damage cells which may grow into cancer years later
C. kill large numbers of cells in main organs so as to cause death immediately
D. all of the above
