He made another wonderful discovery, ________ of great importance to science. A. which

 He made another wonderful discovery, ________ of great importance to science.

A. which I think is                                            B. which I think it is

C. which I think                                               D. I think which is

答案

【解析】选A。考查非限制性定语从句及插入语。此处I think为插入语,which是引导定语从句的关系代词。

相关题目

阅读下列三个材料,结合选文,写出自己的探究结果。 材料
阅读下列三个材料,结合选文,写出自己的探究结果。 材料一:成真波2岁丧父,9岁母嫁,姐、哥在外地上学。12岁独自生活,一个人起床、做饭、砍柴
球面上有三个点,其中任意两个点的球面距离都等于大圆周
球面上有三个点,其中任意两个点的球面距离都等于大圆周长的,经过这三个点的小圆周长为4π,那么这个球的半径为(    )A.4         B.2     
从薄荷油中得到一种烃A(C10H16),叫α­非兰烃,与A相关反应如
从薄荷油中得到一种烃A(C10H16),叫α­非兰烃,与A相关反应如下: 已知: (1)H的分子式为____________。 (2)B所含官能团的名称为____________。 (3)含
The teacher is often ______ the classroom. A. on              B.
The teacher is often ______ the classroom. A. on              B. of                 C. up and down     D. down
    已知,x-2y=3,(x-2)(y+1)=2,求下列各式的值: (
    已知,x-2y=3,(x-2)(y+1)=2,求下列各式的值: (1)xy=        ;(2)(x2-2)(2y2-1).
下列关于乙烯和乙炔的说法中,正确的是 A.分子式相同  
下列关于乙烯和乙炔的说法中,正确的是 A.分子式相同    B.互为同系物    C.都属于不饱和烃  D.互为同分异构体 
(08年抚顺一中月考)(10分)两个星球组成双星,它们在相
(08年抚顺一中月考)(10分)两个星球组成双星,它们在相互之间的万有引力作用下,绕连线上某点做周期相同的匀速圆周运动。现测得两星中心距离
The group is made up of local ________ (音乐家) who have been performing toge
The group is made up of local ________ (音乐家) who have been performing together for several years.  

最新题目