A：蜻蜓点水
B：钢铁生锈
C：公鸡打鸣
D：葵花向阳
下列动物中，属于脊椎动物的是（ ）
56＋7____56＋6 43＋9____9＋43 10＋27____27＋9
—Many people eat _______ meat and _______ vegetables than they did before.
—Yes, that's why they're getting fatter and fatter.
