题目

甲状腺是人体重要的内分泌腺，如果胎儿期甲状腺激素分泌不足，可能会引起的病症是 A.呆小症          B.侏儒症              C.甲亢               D.甲状腺肿大   答案：A解析:略 This is the research _________ many scientists attach importance. A. to that                  B. in that                        C. in which                 D. to which