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【单选题】
为预防子宫内膜异位症的发生,月经期正确的做法是( )A.
保持外阴清洁
B.
热敷下腹部
C.
禁食刺激性食物
D.
禁止性生活
E.
避免寒冷刺激
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反馈参考答案：
举一反三
【单选题】________you have learned to respect others, you will find it easy to be respected.
A.
Although
B.
Once
C.
Before
D.
When
【简答题】You don't have to sacrifice environmental protection to promote economic gr______.
【单选题】Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
A.
what you have learned
B.
how what you have learned
C.
that what you have learned
D.
how that you have learned
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