David and I have a lot _______and become good friends very soon. A. in interest B. in trouble C. in surprise D. in common 答案:D下列关于均衡膳食的叙述正确的是( )①食物多样化、谷类为主②多吃蔬菜、水果和薯类③常吃奶类、豆类或其制品④少吃肥肉和荤油⑤膳食要多盐⑥量与体力活动要平衡,保持适宜体重⑦食物要卫生、不变质.A..①②③④⑤B.①②③④⑥⑦C.①②⑤⑥⑦D.③④⑤⑥⑦