题干
—Can you tell me some countries _________a long history?
—Of course. There are a lot of countries, _______China, India and so on.
A：have; for example
B：has; such as
C：with; for example
D：with; such as
答案(点此获取答案解析）
D
2Ni(OH)2+2Cd (OH)2 已知Ni(OH)2和Cd (OH)2均难溶于水但能溶于酸，以下说法中正确的是