【单选题】下列哪种类型的原生动物可以作为水体自净程度高或者污水生物处理效果好的指示生物( )
【判断题】面试官提问应聘者“你是否打算将来继续深造”是为了考察应聘者工作的稳定性。
【简答题】According to ______ made on Dec. 15, 1915, every person entering or leaving the United States is required to have a valid passport.
【判断题】重复接地的什用是降低漏电设备的对地电压,减轻零干线断线的危险。( )
【单选题】下列哪种类型的原生动物可以作为水体自净程度不高或者污水生物处理效果差的指示生物( )
【单选题】According to the third paragraph, the sentence 'O' Leary has not backed away from that stance... 'means that ______.
A.
she has not make out the standard
B.
she has considered the position
C.
she has not avoided the publication
D.
she has not stuck to her own way
【单选题】下列关于婴儿大脑机能的发展描述错误的是( )。
A.
脑电的变化常作为婴儿脑部发展的一个重要指标,α波作为婴儿脑成熟的标志
D.
大脑单侧化是在其大脑某个半球建立特定功能的过程