He attempted to rescue the ______（溺水的）man.
III. Reading Comprehension Section A Directions: For each blank in the following passages there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best
下图是工厂的流水线的一部分，传送盘运来的工件由导向板按原速率转移到工作台上，操作员将完成作业的工件轻放到传送带上进行下一道工序．工件
– His grandfather is ill in hospital. - . A.It doesn’t matter B.I’m sorry to hear that C.That’s right D.You should look after yourse
It was quite a long time I made it out what had happened. A. after B. before C. when D. since
3．据宋代《图经》记载：“秦郡天下，定江南郡会稽，置长水县”。下列对该史料的解读正确的是 A．秦朝的地方行政制度是郡县制 B．郡县区
汉武帝时期兴办太学所产生的影响是 A．使汉朝初步建立了地方教育系统 B．使儒学在各郡县得以推广和传播 C．大大提高儒学的地位
（一）金属冶炼和处理常涉及氧化还原反应。 （1）如图为电解精炼银的示意图，__________（填“a”或“b”）极为含有杂质的粗银，若b极有少量红棕色
