理想状态下,配置溶液用的所有玻璃器皿应当定期地浸泡于2MHCI溶液中()小时以上。
A.2
B.4
C.10
D.12
参考答案:D
根据要求改写句子。
1. Yes, I can do the housework.(对此句进行提问)
2. Mike can sweep the floor.(改成否定句)
3. Her favourite food is fish.(对划线部分提问)
4. are for vegetables us healthy(连词成句)
5. I would like some eggplants for lunch.(对划线部分提问)