A:BRv
B:BRv
C:BRv
D:BRv
—We can use QQ to talk with each other on the Internet when you're abroad.—Really? But can you tell me _______?
我会拼(看拼音,写词语)。
tuō qǐ
huí dá
duō ne
____起
____
bó bo
hái zi
yé ye
下图表示治理汽车尾气所涉及反应的微观过程。下列说法不正确的是