旧prep-sc-42

独孤吟

As a result of a supernova explosion, every human being on Earth was bombarded on February 23, 1987, by about 100 billion neutrinos; fortunately, neutrinos are harmless elementary particles that are produced in nuclear reactions and that interact very weakly with matter.

(A) neutrinos are harmless elementary particles that are produced in nuclear reactions and that

(B) neutrinos, which are harmless, are elementary particles produced in nuclear reactions and which

(C) neutrinos are harmless elementary particles produced in nuclear reactions and which

(D) these harmless elementary particles are produced in nuclear reactions, and neutrinos

(E) these elementary particles, harmless products of nuclear reactions, are neutrinos that

A是正解~~~~但是  neutrinos are harmless elementary particles that are produced in nuclear reactions and that interact very weakly with matter.
那个that指代的是particles把 但是that不是不能指代复数吗？求解~~~~~~~~~~~~~~~~~

独孤吟

求解啊求解~~~~~~~

lllmmm

that在定语从句中可以只带附属啊

夜夜箫歌

that。。。 and that。。。主要考的是这个结构吧，好多题目里面出现过。。