地下水位统测站应在水位基本监测站的基础上加密布设,布设密度宜控制在同一区域内水位基本监测站总数的()
A.多个
B.1/3或1/5
C.3~5%
D.3~5倍
参考答案:D
They are ________ little kids ________ they should be looked after well.
A.so… that
B.such … that
C.too… to
D.too… that
自救行为