A
1.ҩעҺЧԡȫԺȶԵķУǪ
A.pH
B.ѹ
C.־
D.
E.ܼ
2.κҩҺֻҪ㽵-0.52棬ѪΪ
A.Һ
B.Һ
C.Һ
D.Һ
E.Һ
3.ԭȻǪ
A.֬
B.ʪ
C.Ī
D.Ǫ
E.֬Ǫ
4.0.9%ȻҺΪ
A.Һ
B.Һ
C.Һ
D.Һ
E.Һ
5.ϡҺУʵʵͬߪ
A.볣Ȫ
B.ͬ
C.ѹͬ
D.ͬ
E.pHֵȪ
6.ѡҩעҺܼǪ
A.F68
B.½
C.ɽ80
D.˾80
E.¹ƪ
7.йسȥԭĴΪ
A.ͨ˳ԭ
B.0.22 mĤܳȥԭ
C.ͨƻԭԪ
D.121棬20ӣѹƻԭԪ
E.250棬30ӣƻԭԪ
8.ҩܽȵĴʩУõǪ
A.ûܼˮܼ
B.ʹҩɿΪ
C.ҩӽṹˮŪ
D.ܼ
E.ҩгϸ۪
9.йԭУǪ
A.ԭ¶ߵʪ
B.ԭϸĴлʬ弰ڶػ瘟
C.ԭע䡢սȡġŻ¡ԡѵ֢״
D.ԭͨ֬뵰ʽ϶ɵĸ瘟
E.121桢30ѹɱȫϸȫƻԭ
10.йעǪ
A.ҩעϵָҩȡЧΪԭƳɵע
B.ɷΪҺ͡ĩ͡ע
C.ҩעҩЧѸ٣ÿɿ
D.עʱʹСȫ
E.ڲܿڷҩIJ˪