A. m B. m+1 C. 2m D. 2m-1
A. is different from that of the U. S. B. has slowed slightly in its rate of growth. C. employs an increasing number of women. D. is experiencing a hard time.
A. 减弱抛掷爆破 B. 松动爆破 C. 标准抛掷爆破 D. 药壶爆破
A. appreciate B. enjoy C. remain D. imagine
A. occupation B. performance C. recommendation D. intelligence