By "we are very ambivalent about them" ( Lines 3~4, Para. 1) it is meant that ________.[A] we have opposing feelings towards emotions [C] we are quite clear about emotions[B] we have similar ideas of emotions [D] we can do nothing about emotions
A. By "we are very ambivalent about them" ( Lines 3~4, Para. 1) it is meant that ________.
B. we have opposing feelings towards emotions
C. we have similar ideas of emotions
D. we are quite clear about emotions
E. we can do nothing about emotions
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We should not rely on pocket calculators because ______.[A] they are not clever as our brains [C] they are harmful to our brains[B] we need to use our brains to prevent it from shrinking [D] we could not get enough practice on mathematics
A. We should not rely on pocket calculators because ______.
B. they are not clever as our brains
C. they are harmful to our brains
D. we need to use our brains to prevent it from shrinking [D] we could not get enough practice on mathematics
浮点型数据由数字和小数组成.必须有小数点,小数位数bit越______(多或少),表示越精确。
安全头枕要调整到与颈部平齐的高度。
A. 对
B. 错
The Japanese doctors find out that ______.[A] our brains are aging too early [C] our brains are not getting enough exercise[B] Japanese farmers are ageing at a relatively early age [D] Japanese farmers are losing their ability to think
A. The Japanese doctors find out that ______.
B. our brains are aging too early
C. our brains are not getting enough exercise
D. Japanese farmers are ageing at a relatively early age [D] Japanese farmers are losing their ability to think