⑴How many pears do you see?____ A. OK.
⑵Let's read a book.____ B. I have 20.
⑶Look at my new toy car.____ C. Oh, how beautiful!
⑷How many eggs do you have?____ D. I see 12.
⑸Can you count with me?____ E. Sure. 1, 2, 3. . .
Do you have _______ to tell me?
实验
第一次
第二次
第三次
加入稀盐酸的量/mL
25
生成气体的质量/g
2.2
m
1.1
试求:
读某国总人口和外来移民的年龄结构图,回答下列各题。
Please translate the sentence _______ Chinese. I can't understand it.