What is the main cause of the increase of traffic on water？
A. People are willing to spend money on boating.
Boating enjoys greater freedom than driving on land.
C. Boating is less expensive than before.
D. Boating is more exciting than driving on land.
Which of the following can be labeled as a politically motivated sabotage of a computer system？
A. Sabotage of a university computer
B. Sabotage of hospital computer
C. Sabotage of computer at a secret training base
D. Sabotage of a factory computer
哺乳动物大多属于r对策生物。
A. 正确
B. 错误
Implied but not stated is that______.
A. quick purchasing is the result of inner tension
B. the first stage of hypnosis is a light trance
C. research conducted by motivation analysis can disprove their original premises
D. supermarkets seeking a fairyland atmosphere can install hidden movie cameras
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