药物致畸的敏感期是()
A.受孕期
B.细胞增殖早期
C.器官发生期
D.胎儿形成期
参考答案:C
Read and order. 读句子排序。
( ) How are you?
( ) Tomorrow? What day is tomorrow?
( ) Fine, thank you. Would you like to play with me tomorrow?
( ) It's Monday
( ) OK. See you tomorrow!
( ) See you.
阿华吃饭时,发现米饭在口腔里咀嚼片刻后感觉有甜味,这是因为( )
A.淀粉被分解成葡萄糖
B.脂肪被初步分解
C.蛋白质被初步分解
D.淀粉被分解成麦芽糖