20×3=____
100×8=____
4×3+8=____
11×8=____
10×6=____
2000×4=____
可用于生产鸦片、吗啡、海洛因的植物是( )
x
…
﹣3
﹣2
0
1
3
5
y
7
﹣8
﹣9
﹣5
则当x=2时对应的函数值y=____.
有关旅游活动对经济发展影响的叙述,不正确的是( )
习惯上用S表示( )
排序。
A. There are five books on the table.
B. It's small, but it's clean.
C. There is a doll on the bed.
D. Look! This is my room.
E. I like my room.
F. There is a table and a bed in my room.
____