题目内容
（请给出正确答案）
The deep-sea listening system makes use of______ .
A．the sophisticated technology of focusing sounds under water
B．the capability of sound to travel at high speed
C．the unique property of layers of ocean water in transmitting sound
D．low-frequency sounds traveling across different layers of water
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更多“The deep-sea listening system makes use of______ .A．the sophisticated technology of focusi”相关的问题
The difference equation of a D-T LTI system is
Then the frequency response of the system
( ).
A、
B、
C、
D、
| 完形填空。 | ||||
| Perhaps the most interesting person I have ever met is an Italian professor of philosophy who teaches at the University of Pisa.1I last met this man eight years ago, I have not forgotten his2qualifies. Pint of all, I respected his3to teaching. Because his lectures were always well-prepared and clearly delivered, students crowded into his classroom, His followers liked the fact that he4what he taught Further more, he could be counted on to explain his ideas in all5way, introducing such aids (辅助) to6oil paintings, music, and guest lectures Once he7sang a song in class in order to make a point clear8, admired the fact that lie would talk to students outside the classroom or talk with them9the telephone. Drinking coffee in the cafe, he would easily make friends with students. Sometimes he would10a student to a game of chess (国际象棋) 11he would join student groups to discuss a variety of12: agriculture, diving and mathematics. Many young people visited him in his office for13on their studies; others came to his home for social evenings. Finally, I was14by his lively sense of humor (幽默). He believed that no lesson is a success15, during it, the students and the professor16at least one loud17Through his sense of humor, he made learning more18and more lasting, If it is19that life makes a wise man smile and a foolish man cry,20my friend is indeed a wise man. | ||||
|
A．quite convincing
B．partially true
C．totally groundless
D．rather confusing
A．turned in
B．turned down
C．turned off
D．turned up
A) You will lose both health and wealth. B) You will be hated by your loved ones.
C) You will lose all your friends. D) You may be given more responsibility.
A) You should do the things people ask you to do without feeling guilty.
B) You shouldn’t do the things people ask you to do if you don’t want to.
C) To do things people ask you to do can bring you a lot of joy.
D) To do things for yourself is more meaningful than to do things for others.
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