Those citizens who love _________ nature told us that a lot of precious plants in Mount Jinyun stood in _______ danger.

A．a; a

B．the; the

C．/; the

D．/; /

喷油泵（），不会造成柴油机工作粗暴现象。

A.不供油或供油量少

B.供油量少

C.不供油

D.供水