正常人肾动脉血浆和肾小囊中的液体,含量不相同的物质( )
A:蛋白质
B:水
C:氧气
D:尿素
某病原体第一次感染人体,人体不会产生相应的( )
— The weather report says we are expecting another big snow storm tomorrow.
—________ . I planned to go mountain climbing with my classmates.