A:遗传的多样性
B:生态系统的多样性
C:物种的多样性
D:植物种类的多样性
给下列划线字注音或根据拼音写汉字。
____
山涧
默契
田垄
挚痛
亘古
镐头
huì
làn
dàn
lán
háo
污____
泛____
怪____
斑____
____鸣
____语
A
Ping-pong Club
Do you like to play ping-pong? Do you want to play ping-pong well? Mr. Cai can teach you. You can come here every Saturday afternoon.
Tel: 368-5788
Add: Room 212 in School's PE Building.
Musicians Wanted
Are you a music lover? Can you sing or dance? Can you play the guitar? Can you play the violin? Welcome to our Star Rock Band. Please call Tina at 898-3343 from Monday to Friday (8:30-11:00 am). We will meet every Sunday morning.
哈尔滨市位于我国的( )