下列过程发生在人体内环境中的是[ ]
A.蛋白质消化分解成氨基酸
B.丙酮酸氧化分解成二氧化碳和水
C.神经递质与受体结合
D.免疫细胞合成免疫活性物质
答案:C
Let ____________ go to your house.[ ]
A. we
B. us
C. our
下面每句话中都有一处错误,请选出来并改正。
( )1. I want to taking a present for my cousin. _____
A B C D
( )2. English children loves the theatre. _____
( )3. What did she have of dinner? _____
( )4. What is she wearing these clothes? _____
( )5. This blue bag is big or light. _____