—The weather turns out to be fine.
— We can depend on ___ that the goods will be shipped to the flooded area on time.
A:it
B:/
C:this
D:which
经过北京境内的河流受地势影响,均由____流向东南,注入渤海。
化学与生活密切相关,下列说法不正确的是( )
下列标点符号使用正确的一项是( )