— Is there a building in the nature park 发布时间:2017-04-30 11:28 │ 来源:www.tikuol.com 题型:选择题 问题: — Is there a building in the nature park? — No, there _____________.[ ]A. isn'tB. aren'tC. is
题型:选择题 已知函数f(x)=5sinxcosx-53cos2x+523(其中x∈R),求:(1)函数f(x)的最小正周期;(2)函数f(x)的单调区间;(3)函数f(x)图象的对称轴和对称中心. 查看答案
题型:选择题 以下关于N2乙酰胆碱受体拮抗剂的叙述,正确的是A.与神经肌肉接头处的运动终板模上的N2受体结合B.阻断神经冲动在神经肌肉接头处的正常传递C.导致肌肉松弛D.此类药物被称为骨骼肌松弛药E.临床上与全麻药合用可减少全麻药的用量 查看答案
题型:选择题 根据句子意思,用括号中所给词的正确形式填空,每空填一词。小题1:The little girl knows some English words but pronounces them ____________ (correct).小题2:Many cities in North of China are ____________ (fog) these days than before.小题3:--- Whose wallet is it? --- Maybe it’s one of the ____________ (organize). Only they came here just now. 小题4:Thanks to your kind ____________ (donate), I get a chance to go to school. 查看答案