题目

Word came yesterday _____ all of them ____ to Hongkong for a visit. A. that; would go  B. which; would go C. when; would go D. on which; should go   答案：Aword 名词，消息的意思，后面是that引起的同位语从句。 硅被誉为无机非金属材料的主角。下列物品用到硅单质的是 A．陶瓷餐具       B．石英钟表           C．计算机芯片      D．光导纤维