《素问•痿论》指出筋痿的症状是（）
A.胆泄口苦
B.筋膜干
C.筋急而挛
D.枢折挈
E.腰脊不举
参考答案：A, B, C
—How many people are still leading ______ life under ________ poverty line in the world?
—Perhaps one fourth.
A．a; the
B．a; a
C．/; /
D．the; /
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