词数:30~40。
供你参考的建议有:sing, take a walk, do sports, write the diary, watch TV, listen to music, go shopping, go swimming, go outside.
如表为培养某种微生物的培养基配方,请回答有关间题:
KH2PO4
Na2HPO4
MgSO4•7H2O
葡萄糖
尿素
蒸馏水
1.4g
2.1g
0.2g
10.0g
1.0g
定容至1000mL
《沁园春·雪》中评价历史人物的用意是( )
从右栏选项中找出左栏各句的恰当应答。
I II
F. Once a week.