补全对话，每空一词。

A: What's the ____1_____?

B: I'm not _____2____ very well . I _____3_____ a    cold

A: When ____4____it start?

B: About an hour ___5____.

A: Oh, that's too ___6____.   You ____7_____ have a rest.

B:Yes ,I think ____8______.

A: I hope you will feel ____9___  

B: ____10___ very much.

测定某水样的碱度时，用酚酞作指示剂滴定所耗用1∕2H₂SO₄标准溶液的量，小于用甲基橙作指示剂滴定所耗用1∕2H₂SO₄标准溶液的量，则可判断该水样中含有（）碱性离子。