下列句子中不含古今异义词的一项是( )
A:若亡郑而有益于君
B:持千金之资币物
C:沛公居山东时
D:樊将军以穷困来归丹
⑴I'm hungry.____ A. She's running.
⑵What are you doing?____ B. He's making noodles.
⑶What are they doing?____ C. I'm hungry, too.
⑷What is she doing?____ D. They are rowing a boat.
⑸What is Sam doing?____ E. I'm reading a book.
某几何体的三视图如图所示,则该几何体的体积为( )
发生花粉过敏反应时 ( )