【单选题】Which of the following is wrong about receptive knowledge of a word?
A.
It involves knowing the word signals a particular meaning.
B.
It involves being able to recognize the word when it is met in reading.
C.
It involves being able to use it to make yourself understood in communication.
D.
It involves being able to recognize the word when it is heard.
【判断题】大地水准面所包围的地球体,称为地球椭球体。
【判断题】大地水准面所包围的地球形体称为地球椭圆体。
【单选题】all ship which,in accordance with the present convention ,are required to carry radio installation shall carry____
B.
telephone numbers and addresses
C.
the international code of signals
【判断题】大地水准面所包围的地球形体,称为地球椭球体。
【单选题】When you want to express our blindness to environment caused the deterioration of environment , you may say_________.
A.
Owing to our blindness, environment is getting worse.
B.
Our blindness to environment results in the deterioration of environment.
C.
The deterioration of environment resulted in our blindness to environment.
【单选题】Which of the following statements is wrong?
A.
A byte is a word consisting of 8 bits.
B.
Provided that the noise amplitude is not too large, the logic values represented by a digital signal can still be determined after noise is added.
C.
In negative logic binary system, the higher amplitude represents 1 and the lower-amplitude represents 0
D.
Analog signals take a continuum of amplitude values.
【单选题】AlI ships which,in accordance with the present Convention, are required to carry radio in stallation shall carry( )
B.
telephone mimbers and addresses
C.
the International Code of Signals
【单选题】Grandma Moses began to paint because she wanted to _______.
A.
make her home beautiful
D.
gain an international fame
【单选题】Which of the following is undertaken by a feature analysis system?
A.
Adds extra features that were not part of the initial requirements
B.
Provides identification by evaluating facial characteristics of a person
C.
Compares a person's word phonemes with a language model database
D.
Eliminates background noises and converts digital speech signals into syllables