题干
——The weather has been very hot and dry.
—— Yes. If it had rained even a drop, things would be much better now. And my vegetables
.
—— Yes. If it had rained even a drop, things would be much better now. And my vegetables
.
A：wouldn’t die
B：didn’t die
C：hadn’t die
D：wouldn’t have died.
答案(点此获取答案解析）
D
，则
的值为 （ ）
等阴离子。某同学取5份此溶液样品，分别进
行了如下实验：
三种阴离子。