一脚向侧迈出一步,另一脚在其后交叉,随之第一脚再向侧一步,第二脚并第一脚。这个动作是()
A.移重心
B.后屈腿
C.吸腿
D.后交叉步
参考答案:D
The meat is _____dear and eating ____meat is bad for your health.
A.too much,much too
B.too much,too much
C.much too,too much
D.much too,much too
化合反应是指______的反应.