I had a sandwich before I played tennis, __ I'm very hungry now.A. butB. andC. so
—I'd met Smith several times before.—So (have) ( ) I.
He has been to Beijing . So ______ I.A、haveB、doesC、doD、did
He can ride a motorbike, so ______ I.A、canB、doC、amD、does
- I think the parks are lovely.-So () I A.amB.doC.have
卡尔费休法测定水分是根据()时需要定量的水参加来测定样品中的水分的。 A、SO2氧化I2B、I2氧化SO2C、I2氧化甲醇D、SO2氧化甲醇
A:I'm keen on football.B: So ( )I.A. haveB. doC. am
A:I prefer watching TV. B:So( ) I.A. haveB. amC. do
A: I’m keen on baseball. B: So ________ I A.haveB.doC.am
下面游离SO2直接碘滴定法的原理叙述不正确的是( )。A.I2与SO2发生氧化还原反应B.I2被氧化成I-C.SO2被氧化成SO2-4D.微过量的I2遇淀粉产生兰色为终点