具有涩肠。止血，止带，杀虫功效的中药是
A．赤石脂B．石榴皮C．乌梅D．诃子E．椿皮
参考答案：E
下列情况会对人体健康造成较大危害的是（ ）
A．自来水中通入少量Cl2进行消毒杀菌
B．利用SO2的漂白作用使食品增白
C．用食醋清洗热水瓶胆内壁附着的水垢（CaCO3）
D．用小苏打（NaHCO3）发酵面团制作馒头
—I have no idea whether he ______ to the cinema tomorrow.
—He will go if it ______. [ ]
A. goes; won't rain
B. goes; doesn't rain
C. will go; doesn't rain
D. will go; won't rain
