关于毛果芸香碱正确的是
A．滴入跟后可引起近视
B．是M受体的激动剂
C．降低眼压
D．前房角间隙扩大
E．滴入眼后可引起瞳孔散大
参考答案：A,B,C,D
Mr. Green didn’t understand ________made his daughter so absent-minded.
A. how that was B what was it C. why it was that D. what it was that
地表水体的情况。调查与收集矿区（）等地表水体的历年水位、流量、积水量、最大洪水淹没范围、含泥砂量、水质和地表水体与下伏含水层的水力关系等。
A.河流
B.水渠
C.湖泊
D.积水区
E.山塘
F.水库
