A:CH3CH3+Cl2 →光照 CH3CH2Cl+HCl
B:CH2═CH2+HBr→CH3CH2Br
C:2CH3CH2OH+O2 →ΔCu 2CH3CHO+2H2O
D:CH3COOH+CH3CH2OH ⇌Δ浓硫酸 H3COOCH2CH3+H2O
将下列文字工整、规范、美观地书写在米字格内。
读书破万卷,下笔如有神。
—But he __________ . I have been just with myself all the time .
下列实数中,属于无理数的是( )