A:浓硫酸和水
B:生石灰和水
C:氯化铵和水
D:氯化钠和水
下列实验现象的描述,正确的是( )
Hello, I’m Linda. I have four friends. They are Ann, Lisa, Tom and Peter. Ann lives near school. She comes to school on foot. There is an underground station near Lisa’s home. She comes to school by underground. Tom lives far from school. He comes to school by bus. Peter likes riding. He comes to school by bike.
⒈ ____ ____
⒉____ ____
⒊____ ____
⒋____ ____