医生在发烧病人身上擦酒精溶液,可以达到降低体温的效果。他的依据是( )
A:酒精熔化时吸热
B:酒精液化时吸热
C:酒精汽化时吸热
D:酒精升华时吸热
Mr. Black, as well as his wife and children, ________ invited to the dinner party last night.
江山的江郎山作为丹霞地貌的老年期被评为世界自然遗产。丹霞地貌是由巨厚的红色砂岩经地壳运动和外力作用形成的。下图是江郎山的景观图以及地壳物质循环图,完成下列问题。