第二部分:词汇知识运用(共两小节,满分40分)第一节:多项选择(共10小题;每小题1分,满分10分)When in contact with hot surfaces, the material can___________ poisonous gases.
—Did you enjoy yourself at the party? —Yes. I've never been to __________ one before.
He is very popular among his students as he always tries to make them __________ in his lectures.
My advisor encouraged __________ a summer course to improve my writing skills.
The policeman asked __________ with the old woman.
He speaks English well indeed, but of course not __________ a native speaker.