慢性充血性心力衰竭的诱发因素中,最为常见的是()。
A.环境、气候的急剧变化
B.妊娠与分娩
C.劳累与情绪激动
D.感染
E.输液过多、过快
参考答案:D
—Tom, please wash the fruit more times.
--I see. People use chemicals______on their fields.
A.much too
B.too much
C.many too
D.too many
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