Too much smoking and drinking ________ him greatly, which meant bad living habits had an

________ on his health.[ ]

A. affect; effect  

B. affected; effect

C. affected; effects  

D. affect; effects

水准测量中的测站检核通常采用仪器高法和（）法。

A.塔尺

B.折尺

C.双面尺

D.直尺