可作乳剂型气雾剂乳化剂的是
A.氟里昂B.C02压缩气体C.丙二醇D.聚山梨酯80E.胶态二氧化硅
参考答案:A
6米=______厘米=______毫米.
Most of us think of sharks as dangerous, owing to lack of information rather than fear.
A.due to
B.because
C.as
D.for