11.йעˮǪ
A.עˮΪעܼ B.עˮˮõ
ҩˮ
C.עˮΪעˮõҩˮ
D.עˮҪעĩܼ
E.עˮΪۼƵܼ12.йڴˮǪ
A.ˮע ϡͪ
B.ˮˮõȷƳɪ
C.עˮϵָôˮõҩˮ
D.ˮۼܼ
E.ҩעƱʱԭҩĵȡܼ
13.֤עˮעвǪ
A.ʱƱעˮĸڪ
B.Ҫ֤עˮ
C.Ҫϴ豸
D.ϸעˮռ
E.עˮӦ±棬12Сʱʹê
14.עǪ
A.15 mĻҺ
B.ɢ5 mҺ
C.䶳ĩ
D.Һ
E.15~20 m֮ķĩ>10%ĻҺ
15.ע͵ֵΪ
A.79128
B.185200
C.126140
D.128185
E.188195
16.ҩעԭǰȷ
A.ҩעԭϰҩȡЧɷ֡Чλȡ瘟
B.ҩЧɷֵʿɲˮ˷ȷȡ
C.Ϊ˼СעĴ̼ԳҪȥʪ
D.õȥʷΪȡ
E.ҩעԭҲΪҩעм媥
17.Ǫ
A.㽵ݷĵעҺеĿɳѪ
B.0.9%NaClǵҺע䲻Ѫ
C.ѪõĵҺΪҺ
D.עҺǵҺ
E.ǵעѹӼ
18.עʱˮҺмĿΪȥ
A.Һʪ
B.ʪ
C.ϸ
D.᪥
E.Ca2+
19.עҺеǪ
A.ܼ
B.
C.־
D.
E.pHڼ
20.йעǪ
A.עҪӲԲ;۱ϩƳɪ
B.Сư곪
C.ʹǰмʹ
D.공ϴΪ˳ȥʪ
E.공Ϊɱƻԭ