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【多选题】
在使用酒精灯的过程中，下列做法中不正确的是 [ ]A.
燃着的酒精灯里添加酒精
B.
熄灭酒精灯时，用灯帽盖灭
C.
酒精灯内酒精超过酒精灯容积的
D.
给物质加热时，酒精灯火焰要对准试管内被加热的物质
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A.
am down with
B.
am up with
C.
am down by
D.
am up by
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A.
A bit better.
B.
I feel a bit low.
C.
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D.
I feel awful.
E.
I feel OK.
F.
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A.
I’m sorry to hear that.
B.
That sounds boring.
C.
I hope not.
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