如图中,分泌不含消化酶的消化液的器官是( )
A:①
B:③
C:④
D:⑤
I won the first prize in the spoken English competition. My parents are ______ me.
①I2+2NaOH=NaI+NaIO+H2O
②
③
此反应称为碘仿反应,根据上述反应方程式推断下列物质中能发生碘仿反应的有( )