ser表示长期的属性,而está则表示暂时的特征。
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Though we've failed several times, we will still try to find a better____to this problem. |
[ ] |
A. position B. description C. solution D. location |
A、(A) is pleasantly designed
B、(B) gives off the smell of some nose drops
C、(C) is full of exam paper
D、(D) overlooks the Central Park
A、Qu'est-ce que tu fais ?
B、Qui est-ce ?
C、Comment allez-vous ?
D、Quelle heure est-il ?
A、du respect
B、du statut social
C、de la richesse
D、de la connaissance
E.
B.Elle n ’est pas Franais
E.
C.Oui, il est Franais .
D.Non, elle n ’est pas Franais
E.
A.Research has suggested that the neurotransmitter serotonin is responsible for the effects of hallucinogenic drugs on the brain ant on behavior.
B.Researchers have spent an inadequate amount of time developing theories concerning the way in which the effects of hallucinogenic drags occur.
C.Research results strongly suggest that hallucinogenic drugs create their effects by acting on the serotonin receptor sites located on target neurons in the brain.
D.Researchers have recently made valuable discoveries concerning the effects of depleting the amount of serotonin in the brain.
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