(病例组型最佳选择题) 某患儿，6岁，发热，头痛、恶心1天，伴抽搐、意识障碍1天

J级航段的载重线分为J₁、J₂、J₃级航段的载重线。

When the old man _____to walk back to his house,the sun _____ itself behind the mountain. [ ]

A. was starting; hid

B. had started; had already hidden

C. had started; was hiding

D. started; had already hidden

若x₁满足2x+2^x=5，x₂满足2x+2log₂（x-1）=5，x₁+x₂=（）

A.选项A

B.选项B

C.选项C

D.选项D

把托尔斯泰的《战争与和平》称为“19世纪世界文学中最伟大的杰作”的是（）

A.网察洛夫

B.屠格涅夫

C.福楼拜

D.高尔基

水压试验进水时，管理（）及（）的人员不准（）以免水满烫伤其他人员。