食物经长时间烹煮,叶酸的损失是()
A.40%~80%
B.50%~80%
C.50%~90%
D.60%~90%
E.30%~90%
参考答案:C
—Are you still mad at her? —Not really , but I can’t that her remarks hurt me.
A.deny
B.refuse
C.reject
D.decline
ADC电路的作用是将输入的()转换成与其成正比的输出数字量。