This is the novel is written by Guo Jingming.[ ]
A. who
B. what
C. that
D./
答案:C
管道能用于煤炭、矿石等固体物料的运输。
甲状腺素分泌不足时,可引起()
A.突眼性甲状腺肿
B.手足抽搦症
C.呆小症
D.地方性甲状腺肿
E.尿崩症