热疮相当于西医学的什么疾病( )
A．湿疹B．带状疱疹C．脓疱疮D．接触性皮炎E．单纯疱疹
参考答案：E
四年级植树χ棵，比三年级植树的2倍少13棵，三年级学生植树______棵．
Most comets have two kinds of tails, one made up of dust, ________made up of electrically charged particles called plasma.
A．one another
B．the other
C．other ones
D．each other
