凡是子元素选择器能选择的，后代选择器都能选择到（）
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question 3:Which sort of issues that parents worry about is NOT mentioned in the news?
A. Negative body image.
B. Sleeping disorders.
C. Depression.
D. Poor sexual choices.
question 4 When will girls feel disappointed according to the news?
A. When they buy a certain product.
B. When they eat less.
C. When they define themselves by how they appear to others.
D. When they define themselves by how they feel internally.
question 5 According to Orenstein, how can parents raise healthy, self-confident daughters?
A. Make them more appealing to others.
B. Help them with their eating disorders.
C. Buy certain products to help them look a certain way.
D. Provide positive alternatives against the influence of the media.
任何呼吸衰竭均可出现
A. PaO2↓
B. PaCO2↑
C. PaO2↓，PaCO2↑
D. PaO2↓，PaCO2↓
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