【C2】A．approximatelyB．almostC．additionallyD．or so

【C2】A．too honestB．enough honestC．honest enoughD．so honest

The girls voice was so low that we could______hear her.A．seldomB．almostC．onlyD．barely

Many Americans find silence uncomfortable during a buffet or a formal dinner. So in the St

【C2】A．so thatB．becauseC．unlessD．though

By balancing the items in a pair or a series so t

下列分子中 偶极矩不为零的是( )。A.F2B.SO2C.CO2D.C2H6