[名词解释] 生理干旱(physiological drought)
[名词解释] 土壤干旱(soil drought)
[填空题] 干旱可分为大气()和()干旱。
[判断题] 植物遭受干旱的危害有大气干旱、土壤干旱和生理干旱三种情况。A . 正确B . 错误
[填空题] 因大气相对湿度过低引起的干旱称()干旱。
[主观题]the atmosphere选择A.s_____________asmenleavetheatmosphere[A]soon[B]well[C]much[D]possible
[单选题]__________inanatmosphereofsimplelivingwaswhatherparentswishedfor.A.)ThegirlwaseducatedB)ThegirleducatedC.)Thegirl’sbeingeducatedD)Thegirltobeeducated
[单选题]大气干旱是由于空气中温度(),湿度()所引起的。A . 低、高B . 高、低C . 低、低D . 高、高
[单选题]Passage FourThe atmosphere and oceans are not the only parts of the environment being damaged. Rain forests are being quickly destroyed as well, and their survival is questionable. E. O. Wilson, a biologist at Harvard, calls the depletion(枯竭、耗尽)of ra