They are both very cheerful in spite of their colds.
A:warm
B:sad
C:happy
一Excuse me, but where's Mrs. Liu? I want to ask her for some advice. 一She the library. You can find her there.
到南极考察的工作者,为了保护环境,除了必须把塑料和金属类废物带离南极外,还必须把人的尿液,粪便带离南极,这是因为南极( )
右图是文艺复习时期的文艺巨匠达·芬奇的代表作《蒙娜丽莎》,它反映了“人物内心世界的平静、自信,突出了人的主体地位”。体现了文艺复习时期的哪一思想( )
物理老师的茶杯静止放在水平桌面上,则 ( )