How do all food chains break（）
A. One kind of animals is eaten up.
B. One kind of plants is destroyed.
C. One kind of animals eats another.
D. One of the links is destroyed.
查看答案
A．childhoodB．chemistC．churchD．chest
某患儿，男，2岁，证见困倦无力，腹满喜按，大便夹有乳食残渣，夜卧不宁，舌淡，苔腻，指纹青淡。治疗原则是
A. 健脾益气消食和胃
B. 消食健脾益气和胃
C. 健脾益气佐以消导
D. 健脾和胃消食化积
E. 益气和中理气化滞
小儿暑邪感冒证的首选方剂是
A. 香薷饮
B. 小青龙汤
C. 新加香薷饮
D. 桑菊饮
E. 华盖散
People probably take part in dangerous sports nowadays because（）
A. they have a lot of free time
B. they can go to hospital if they are injured
C. their lives lack excitement
D. they no longer need to hunt for food
微信支付 
支付宝支付