【单选题】The teacher told us that water ______ at 0℃. [ ]
【简答题】17年,进步教育家 ________ 开办了俄国第一所儿童:________ 。
【判断题】噻嗪类利尿药的作用部位是髓袢升支粗段髓质部
【多选题】在下列税种中,由全国人大或其常委会立法通过并开征的有( )。
【单选题】Which kind of beans is particularly beneficial for the liver?
【简答题】In the supermarket you would also find many frozen foods --- frozen fruits, vegetables, meat and fish. As techniques for 5.__________ (freeze) food are being improved, more frozen foods are appearing ...