心理学的诞生以冯特1879年建立实验心理学实验为标志。
参考答案:对
旅行社因不能成团,可以自行将已签约的旅游者转让给其他旅行社出团。 ()
A.正确
B.错误
While building a tunnel through the mountain, _______.
A.an underground lake was discovered
B.there was an underground lake discovered
C.a lake was discovered underground
D.the workers discovered an underground lake